diff --git a/curriculum/challenges/english/01-responsive-web-design/basic-css/create-a-custom-css-variable.english.md b/curriculum/challenges/english/01-responsive-web-design/basic-css/create-a-custom-css-variable.english.md
index 81bfbd8d37..21d3339abd 100644
--- a/curriculum/challenges/english/01-responsive-web-design/basic-css/create-a-custom-css-variable.english.md
+++ b/curriculum/challenges/english/01-responsive-web-design/basic-css/create-a-custom-css-variable.english.md
@@ -8,7 +8,7 @@ forumTopicId: 301086
 
 ## Description
 <section id='description'>
-To create a CSS variable, you just need to give it a name with two dashes in front of it and assign it a value like this:
+To create a CSS variable, you just need to give it a name with two hyphens in front of it and assign it a value like this:
 
 ```css
 --penguin-skin: gray;