diff --git a/curriculum/challenges/english/blocks/review-css/671a9a0a140c2b9d6a75629f.md b/curriculum/challenges/english/blocks/review-css/671a9a0a140c2b9d6a75629f.md
index 131f8838614..e86bb5dee0a 100644
--- a/curriculum/challenges/english/blocks/review-css/671a9a0a140c2b9d6a75629f.md
+++ b/curriculum/challenges/english/blocks/review-css/671a9a0a140c2b9d6a75629f.md
@@ -504,7 +504,7 @@ Using placeholder text is not great for accessibility. Too often, users confuse
 
 ## Mobile first approach
 
-- **Definition**: The `mobile-first` approach is a design philosophy and development strategy in responsive web design that prioritizes creating websites for mobile devices before designing for larger screens. 
+- **Definition**: The mobile-first approach is a design philosophy and development strategy in responsive web design that prioritizes creating websites for mobile devices before designing for larger screens. 
 
 ## CSS Custom Properties (CSS Variables)
 
diff --git a/curriculum/challenges/english/blocks/review-responsive-web-design/671a98927af7829722697dc2.md b/curriculum/challenges/english/blocks/review-responsive-web-design/671a98927af7829722697dc2.md
index 97ea70952ec..744d8968d64 100644
--- a/curriculum/challenges/english/blocks/review-responsive-web-design/671a98927af7829722697dc2.md
+++ b/curriculum/challenges/english/blocks/review-responsive-web-design/671a98927af7829722697dc2.md
@@ -86,7 +86,7 @@ dashedName: review-responsive-web-design
 
 ## Mobile first approach
 
-- **Definition**: The `mobile-first` approach is a design philosophy and development strategy in responsive web design that prioritizes creating websites for mobile devices before designing for larger screens. 
+- **Definition**: The mobile-first approach is a design philosophy and development strategy in responsive web design that prioritizes creating websites for mobile devices before designing for larger screens. 
 
 ```css
 /* Base styles for mobile */