diff --git a/client/i18n/locales/chinese-traditional/intro.json b/client/i18n/locales/chinese-traditional/intro.json
index 008e5cb08fc..a867f4b3166 100644
--- a/client/i18n/locales/chinese-traditional/intro.json
+++ b/client/i18n/locales/chinese-traditional/intro.json
@@ -4294,9 +4294,11 @@
           "In this lab you will implement the selection sort algorithm."
         ]
       },
-      "lab-luhn-argorithm": {
-        "title": "Build a Luhn Algorithm",
-        "intro": [""]
+      "lab-luhn-algorithm": {
+        "title": "Implement the Luhn Algorithm",
+        "intro": [
+          "In this lab, you will implement the Luhn algorithm to validate identification numbers such as credit card numbers."
+        ]
       },
       "review-searching-and-sorting-algorithms": {
         "title": "Searching and Sorting Algorithms Review",
diff --git a/client/i18n/locales/chinese-traditional/translations.json b/client/i18n/locales/chinese-traditional/translations.json
index a662f7ed9c8..6d1fe29110b 100644
--- a/client/i18n/locales/chinese-traditional/translations.json
+++ b/client/i18n/locales/chinese-traditional/translations.json
@@ -419,6 +419,7 @@
     "answered-mcq": "你有未回答的問題和/或錯誤的答案。",
     "explanation": "解釋",
     "transcript": "Transcript",
+    "video": "Video",
     "solution-link": "解決方案鏈接",
     "source-code-link": "源代碼鏈接",
     "ms-link": "微軟的鏈接",
@@ -858,6 +859,10 @@
     "rsa-checkbox": "我已經嘗試了 Read-Search-Ask（閱讀-搜索-提問）方法",
     "similar-questions-checkbox": "我已經在論壇上搜索了類似的問題和相應的答案",
     "edit-my-profile": "編輯我的個人資料",
+    "editor-a11y-off-macos": "{{editorName}} editor content. Press Option+F1 for accessibility options.",
+    "editor-a11y-off-non-macos": "{{editorName}} editor content. Press Alt+F1 for accessibility options.",
+    "editor-a11y-on-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Command+E to disable or press Option+F1 for more options.",
+    "editor-a11y-on-non-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Ctrl+E to disable or press Alt+F1 for more options.",
     "terminal-output": "Terminal output"
   },
   "flash": {
diff --git a/client/i18n/locales/chinese/intro.json b/client/i18n/locales/chinese/intro.json
index 449d8b87d4e..075c47c937a 100644
--- a/client/i18n/locales/chinese/intro.json
+++ b/client/i18n/locales/chinese/intro.json
@@ -4294,9 +4294,11 @@
           "In this lab you will implement the selection sort algorithm."
         ]
       },
-      "lab-luhn-argorithm": {
-        "title": "Build a Luhn Algorithm",
-        "intro": [""]
+      "lab-luhn-algorithm": {
+        "title": "Implement the Luhn Algorithm",
+        "intro": [
+          "In this lab, you will implement the Luhn algorithm to validate identification numbers such as credit card numbers."
+        ]
       },
       "review-searching-and-sorting-algorithms": {
         "title": "Searching and Sorting Algorithms Review",
diff --git a/client/i18n/locales/chinese/translations.json b/client/i18n/locales/chinese/translations.json
index 9f4aacc3d65..228a281bffa 100644
--- a/client/i18n/locales/chinese/translations.json
+++ b/client/i18n/locales/chinese/translations.json
@@ -419,6 +419,7 @@
     "answered-mcq": "你有未回答的问题和/或错误的答案。",
     "explanation": "解释",
     "transcript": "Transcript",
+    "video": "Video",
     "solution-link": "解决方案链接",
     "source-code-link": "源代码链接",
     "ms-link": "微软的链接",
@@ -858,6 +859,10 @@
     "rsa-checkbox": "我已经尝试了 Read-Search-Ask（阅读-搜索-提问）方法",
     "similar-questions-checkbox": "我已经在论坛上搜索了类似的问题和相应的答案",
     "edit-my-profile": "编辑我的个人资料",
+    "editor-a11y-off-macos": "{{editorName}} editor content. Press Option+F1 for accessibility options.",
+    "editor-a11y-off-non-macos": "{{editorName}} editor content. Press Alt+F1 for accessibility options.",
+    "editor-a11y-on-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Command+E to disable or press Option+F1 for more options.",
+    "editor-a11y-on-non-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Ctrl+E to disable or press Alt+F1 for more options.",
     "terminal-output": "Terminal output"
   },
   "flash": {
diff --git a/client/i18n/locales/espanol/intro.json b/client/i18n/locales/espanol/intro.json
index 8f97ea660bf..27654448e10 100644
--- a/client/i18n/locales/espanol/intro.json
+++ b/client/i18n/locales/espanol/intro.json
@@ -4308,9 +4308,11 @@
           "In this lab you will implement the selection sort algorithm."
         ]
       },
-      "lab-luhn-argorithm": {
-        "title": "Build a Luhn Algorithm",
-        "intro": [""]
+      "lab-luhn-algorithm": {
+        "title": "Implement the Luhn Algorithm",
+        "intro": [
+          "In this lab, you will implement the Luhn algorithm to validate identification numbers such as credit card numbers."
+        ]
       },
       "review-searching-and-sorting-algorithms": {
         "title": "Searching and Sorting Algorithms Review",
diff --git a/client/i18n/locales/espanol/translations.json b/client/i18n/locales/espanol/translations.json
index 48a1d1f1640..c059801077f 100644
--- a/client/i18n/locales/espanol/translations.json
+++ b/client/i18n/locales/espanol/translations.json
@@ -419,6 +419,7 @@
     "answered-mcq": "You have unanswered questions and/or incorrect answers.",
     "explanation": "Explanation",
     "transcript": "Transcript",
+    "video": "Video",
     "solution-link": "Enlace a la solución",
     "source-code-link": "Enlace al código fuente",
     "ms-link": "Link de Microsoft",
@@ -858,6 +859,10 @@
     "rsa-checkbox": "He probado el método Leer-Buscar-Preguntar",
     "similar-questions-checkbox": "He buscado por preguntas similares que ya han sido contestadas en el foro",
     "edit-my-profile": "Edit my profile",
+    "editor-a11y-off-macos": "{{editorName}} editor content. Press Option+F1 for accessibility options.",
+    "editor-a11y-off-non-macos": "{{editorName}} editor content. Press Alt+F1 for accessibility options.",
+    "editor-a11y-on-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Command+E to disable or press Option+F1 for more options.",
+    "editor-a11y-on-non-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Ctrl+E to disable or press Alt+F1 for more options.",
     "terminal-output": "Terminal output"
   },
   "flash": {
diff --git a/client/i18n/locales/german/intro.json b/client/i18n/locales/german/intro.json
index 80b9ced762d..880997be702 100644
--- a/client/i18n/locales/german/intro.json
+++ b/client/i18n/locales/german/intro.json
@@ -4308,9 +4308,11 @@
           "In this lab you will implement the selection sort algorithm."
         ]
       },
-      "lab-luhn-argorithm": {
-        "title": "Build a Luhn Algorithm",
-        "intro": [""]
+      "lab-luhn-algorithm": {
+        "title": "Implement the Luhn Algorithm",
+        "intro": [
+          "In this lab, you will implement the Luhn algorithm to validate identification numbers such as credit card numbers."
+        ]
       },
       "review-searching-and-sorting-algorithms": {
         "title": "Searching and Sorting Algorithms Review",
diff --git a/client/i18n/locales/german/translations.json b/client/i18n/locales/german/translations.json
index e96e3a29d73..661e8d59753 100644
--- a/client/i18n/locales/german/translations.json
+++ b/client/i18n/locales/german/translations.json
@@ -419,6 +419,7 @@
     "answered-mcq": "You have unanswered questions and/or incorrect answers.",
     "explanation": "Explanation",
     "transcript": "Transcript",
+    "video": "Video",
     "solution-link": "Lösungs-Link",
     "source-code-link": "Source Code Link",
     "ms-link": "Microsoft Link",
@@ -858,6 +859,10 @@
     "rsa-checkbox": "I have tried the Read-Search-Ask method",
     "similar-questions-checkbox": "I have searched for similar questions that have already been answered on the forum",
     "edit-my-profile": "Edit my profile",
+    "editor-a11y-off-macos": "{{editorName}} editor content. Press Option+F1 for accessibility options.",
+    "editor-a11y-off-non-macos": "{{editorName}} editor content. Press Alt+F1 for accessibility options.",
+    "editor-a11y-on-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Command+E to disable or press Option+F1 for more options.",
+    "editor-a11y-on-non-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Ctrl+E to disable or press Alt+F1 for more options.",
     "terminal-output": "Terminal output"
   },
   "flash": {
diff --git a/client/i18n/locales/italian/intro.json b/client/i18n/locales/italian/intro.json
index f92f7f36f7a..63f01742797 100644
--- a/client/i18n/locales/italian/intro.json
+++ b/client/i18n/locales/italian/intro.json
@@ -4308,9 +4308,11 @@
           "In this lab you will implement the selection sort algorithm."
         ]
       },
-      "lab-luhn-argorithm": {
-        "title": "Build a Luhn Algorithm",
-        "intro": [""]
+      "lab-luhn-algorithm": {
+        "title": "Implement the Luhn Algorithm",
+        "intro": [
+          "In this lab, you will implement the Luhn algorithm to validate identification numbers such as credit card numbers."
+        ]
       },
       "review-searching-and-sorting-algorithms": {
         "title": "Searching and Sorting Algorithms Review",
diff --git a/client/i18n/locales/italian/translations.json b/client/i18n/locales/italian/translations.json
index aff2ad859d7..4307858ca47 100644
--- a/client/i18n/locales/italian/translations.json
+++ b/client/i18n/locales/italian/translations.json
@@ -419,6 +419,7 @@
     "answered-mcq": "You have unanswered questions and/or incorrect answers.",
     "explanation": "Explanation",
     "transcript": "Transcript",
+    "video": "Video",
     "solution-link": "Link alla soluzione",
     "source-code-link": "Source Code Link",
     "ms-link": "Microsoft Link",
@@ -858,6 +859,10 @@
     "rsa-checkbox": "I have tried the Read-Search-Ask method",
     "similar-questions-checkbox": "I have searched for similar questions that have already been answered on the forum",
     "edit-my-profile": "Edit my profile",
+    "editor-a11y-off-macos": "{{editorName}} editor content. Press Option+F1 for accessibility options.",
+    "editor-a11y-off-non-macos": "{{editorName}} editor content. Press Alt+F1 for accessibility options.",
+    "editor-a11y-on-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Command+E to disable or press Option+F1 for more options.",
+    "editor-a11y-on-non-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Ctrl+E to disable or press Alt+F1 for more options.",
     "terminal-output": "Terminal output"
   },
   "flash": {
diff --git a/client/i18n/locales/japanese/intro.json b/client/i18n/locales/japanese/intro.json
index 56157f504e6..10e5653ac7e 100644
--- a/client/i18n/locales/japanese/intro.json
+++ b/client/i18n/locales/japanese/intro.json
@@ -4308,9 +4308,11 @@
           "In this lab you will implement the selection sort algorithm."
         ]
       },
-      "lab-luhn-argorithm": {
-        "title": "Build a Luhn Algorithm",
-        "intro": [""]
+      "lab-luhn-algorithm": {
+        "title": "Implement the Luhn Algorithm",
+        "intro": [
+          "In this lab, you will implement the Luhn algorithm to validate identification numbers such as credit card numbers."
+        ]
       },
       "review-searching-and-sorting-algorithms": {
         "title": "Searching and Sorting Algorithms Review",
diff --git a/client/i18n/locales/japanese/translations.json b/client/i18n/locales/japanese/translations.json
index 7d373249ef6..42941002a57 100644
--- a/client/i18n/locales/japanese/translations.json
+++ b/client/i18n/locales/japanese/translations.json
@@ -419,6 +419,7 @@
     "answered-mcq": "未回答または不正解の質問があります。",
     "explanation": "解説",
     "transcript": "文字起こし",
+    "video": "Video",
     "solution-link": "回答のリンク",
     "source-code-link": "ソースコードのリンク",
     "ms-link": "Microsoft のリンク",
@@ -858,6 +859,10 @@
     "rsa-checkbox": "Read-Search-Ask (読む - 検索する - 質問する) メソッドを試しました",
     "similar-questions-checkbox": "フォーラムで、解決済みの類似質問を検索しました",
     "edit-my-profile": "プロフィールを編集",
+    "editor-a11y-off-macos": "{{editorName}} editor content. Press Option+F1 for accessibility options.",
+    "editor-a11y-off-non-macos": "{{editorName}} editor content. Press Alt+F1 for accessibility options.",
+    "editor-a11y-on-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Command+E to disable or press Option+F1 for more options.",
+    "editor-a11y-on-non-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Ctrl+E to disable or press Alt+F1 for more options.",
     "terminal-output": "Terminal output"
   },
   "flash": {
diff --git a/client/i18n/locales/korean/intro.json b/client/i18n/locales/korean/intro.json
index fe5cdc5b5e2..5ecdcd86337 100644
--- a/client/i18n/locales/korean/intro.json
+++ b/client/i18n/locales/korean/intro.json
@@ -4308,9 +4308,11 @@
           "In this lab you will implement the selection sort algorithm."
         ]
       },
-      "lab-luhn-argorithm": {
-        "title": "Build a Luhn Algorithm",
-        "intro": [""]
+      "lab-luhn-algorithm": {
+        "title": "Implement the Luhn Algorithm",
+        "intro": [
+          "In this lab, you will implement the Luhn algorithm to validate identification numbers such as credit card numbers."
+        ]
       },
       "review-searching-and-sorting-algorithms": {
         "title": "Searching and Sorting Algorithms Review",
diff --git a/client/i18n/locales/korean/translations.json b/client/i18n/locales/korean/translations.json
index 2f270ef0552..5b7c2edd728 100644
--- a/client/i18n/locales/korean/translations.json
+++ b/client/i18n/locales/korean/translations.json
@@ -419,6 +419,7 @@
     "answered-mcq": "You have unanswered questions and/or incorrect answers.",
     "explanation": "Explanation",
     "transcript": "Transcript",
+    "video": "Video",
     "solution-link": "Solution Link",
     "source-code-link": "Source Code Link",
     "ms-link": "Microsoft Link",
@@ -858,6 +859,10 @@
     "rsa-checkbox": "I have tried the Read-Search-Ask method",
     "similar-questions-checkbox": "I have searched for similar questions that have already been answered on the forum",
     "edit-my-profile": "Edit my profile",
+    "editor-a11y-off-macos": "{{editorName}} editor content. Press Option+F1 for accessibility options.",
+    "editor-a11y-off-non-macos": "{{editorName}} editor content. Press Alt+F1 for accessibility options.",
+    "editor-a11y-on-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Command+E to disable or press Option+F1 for more options.",
+    "editor-a11y-on-non-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Ctrl+E to disable or press Alt+F1 for more options.",
     "terminal-output": "Terminal output"
   },
   "flash": {
diff --git a/client/i18n/locales/portuguese/intro.json b/client/i18n/locales/portuguese/intro.json
index 8107b1b02de..1dabeb44514 100644
--- a/client/i18n/locales/portuguese/intro.json
+++ b/client/i18n/locales/portuguese/intro.json
@@ -4308,9 +4308,11 @@
           "In this lab you will implement the selection sort algorithm."
         ]
       },
-      "lab-luhn-argorithm": {
-        "title": "Build a Luhn Algorithm",
-        "intro": [""]
+      "lab-luhn-algorithm": {
+        "title": "Implement the Luhn Algorithm",
+        "intro": [
+          "In this lab, you will implement the Luhn algorithm to validate identification numbers such as credit card numbers."
+        ]
       },
       "review-searching-and-sorting-algorithms": {
         "title": "Searching and Sorting Algorithms Review",
diff --git a/client/i18n/locales/portuguese/translations.json b/client/i18n/locales/portuguese/translations.json
index 0091e598c4d..9e5f8201094 100644
--- a/client/i18n/locales/portuguese/translations.json
+++ b/client/i18n/locales/portuguese/translations.json
@@ -419,6 +419,7 @@
     "answered-mcq": "You have unanswered questions and/or incorrect answers.",
     "explanation": "Explicação",
     "transcript": "Transcript",
+    "video": "Video",
     "solution-link": "Link da solução",
     "source-code-link": "Link do código-fonte",
     "ms-link": "Link da Microsoft",
@@ -858,6 +859,10 @@
     "rsa-checkbox": "Eu tentei o método Ler-Pesquisar-Perguntar",
     "similar-questions-checkbox": "Eu pesquisei por perguntas semelhantes que já foram respondidas no fórum",
     "edit-my-profile": "Editar meu perfil",
+    "editor-a11y-off-macos": "{{editorName}} editor content. Press Option+F1 for accessibility options.",
+    "editor-a11y-off-non-macos": "{{editorName}} editor content. Press Alt+F1 for accessibility options.",
+    "editor-a11y-on-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Command+E to disable or press Option+F1 for more options.",
+    "editor-a11y-on-non-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Ctrl+E to disable or press Alt+F1 for more options.",
     "terminal-output": "Terminal output"
   },
   "flash": {
diff --git a/client/i18n/locales/swahili/intro.json b/client/i18n/locales/swahili/intro.json
index 8f29c4e22e6..9847f10c3ef 100644
--- a/client/i18n/locales/swahili/intro.json
+++ b/client/i18n/locales/swahili/intro.json
@@ -4308,9 +4308,11 @@
           "In this lab you will implement the selection sort algorithm."
         ]
       },
-      "lab-luhn-argorithm": {
-        "title": "Build a Luhn Algorithm",
-        "intro": [""]
+      "lab-luhn-algorithm": {
+        "title": "Implement the Luhn Algorithm",
+        "intro": [
+          "In this lab, you will implement the Luhn algorithm to validate identification numbers such as credit card numbers."
+        ]
       },
       "review-searching-and-sorting-algorithms": {
         "title": "Searching and Sorting Algorithms Review",
diff --git a/client/i18n/locales/swahili/translations.json b/client/i18n/locales/swahili/translations.json
index 26adebdf3c1..72b636d2c29 100644
--- a/client/i18n/locales/swahili/translations.json
+++ b/client/i18n/locales/swahili/translations.json
@@ -419,6 +419,7 @@
     "answered-mcq": "You have unanswered questions and/or incorrect answers.",
     "explanation": "Explanation",
     "transcript": "Transcript",
+    "video": "Video",
     "solution-link": "Kiungo cha Suluhisho",
     "source-code-link": "Source Code Link",
     "ms-link": "Kiungo cha Microsoft",
@@ -858,6 +859,10 @@
     "rsa-checkbox": "I have tried the Read-Search-Ask method",
     "similar-questions-checkbox": "I have searched for similar questions that have already been answered on the forum",
     "edit-my-profile": "Edit my profile",
+    "editor-a11y-off-macos": "{{editorName}} editor content. Press Option+F1 for accessibility options.",
+    "editor-a11y-off-non-macos": "{{editorName}} editor content. Press Alt+F1 for accessibility options.",
+    "editor-a11y-on-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Command+E to disable or press Option+F1 for more options.",
+    "editor-a11y-on-non-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Ctrl+E to disable or press Alt+F1 for more options.",
     "terminal-output": "Terminal output"
   },
   "flash": {
diff --git a/client/i18n/locales/ukrainian/intro.json b/client/i18n/locales/ukrainian/intro.json
index 3e241ee0ebc..74003f944df 100644
--- a/client/i18n/locales/ukrainian/intro.json
+++ b/client/i18n/locales/ukrainian/intro.json
@@ -4288,9 +4288,11 @@
           "In this lab you will implement the selection sort algorithm."
         ]
       },
-      "lab-luhn-argorithm": {
-        "title": "Створіть алгоритм Луна",
-        "intro": [""]
+      "lab-luhn-algorithm": {
+        "title": "Implement the Luhn Algorithm",
+        "intro": [
+          "In this lab, you will implement the Luhn algorithm to validate identification numbers such as credit card numbers."
+        ]
       },
       "review-searching-and-sorting-algorithms": {
         "title": "Повторення алгоритмів пошуку та сортування",
diff --git a/client/i18n/locales/ukrainian/translations.json b/client/i18n/locales/ukrainian/translations.json
index 83868b0f61f..3c7a9542d94 100644
--- a/client/i18n/locales/ukrainian/translations.json
+++ b/client/i18n/locales/ukrainian/translations.json
@@ -419,6 +419,7 @@
     "answered-mcq": "Ви не відповіли на всі запитання та/або допустились помилок.",
     "explanation": "Пояснення",
     "transcript": "Текстова версія",
+    "video": "Video",
     "solution-link": "Посилання на розв’язок",
     "source-code-link": "Посилання на вихідний код",
     "ms-link": "Посилання Microsoft",
@@ -858,6 +859,10 @@
     "rsa-checkbox": "Я спробував(-ла) метод читати-шукати-питати",
     "similar-questions-checkbox": "Я шукав(-ла) схожі запитання на форумі, на які вже є відповідь",
     "edit-my-profile": "Редагувати профіль",
+    "editor-a11y-off-macos": "{{editorName}} editor content. Press Option+F1 for accessibility options.",
+    "editor-a11y-off-non-macos": "{{editorName}} editor content. Press Alt+F1 for accessibility options.",
+    "editor-a11y-on-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Command+E to disable or press Option+F1 for more options.",
+    "editor-a11y-on-non-macos": "{{editorName}} editor content. Accessibility mode set to 'on'. Press Ctrl+E to disable or press Alt+F1 for more options.",
     "terminal-output": "Вивід терміналу"
   },
   "flash": {