diff --git a/challenges/01-responsive-web-design/basic-css.json b/challenges/01-responsive-web-design/basic-css.json
index 652a103c9f4..fbc8bfbb958 100644
--- a/challenges/01-responsive-web-design/basic-css.json
+++ b/challenges/01-responsive-web-design/basic-css.json
@@ -4561,15 +4561,15 @@
         },
         {
           "text":
-            "<code>penguin</code> class should declare the <code>--penguin-skin</code> variable and assign it to <code>white</code>.",
+            "<code>penguin</code> class should declare the <code>--penguin-belly</code> variable and assign it to <code>white</code>.",
           "testString":
-            "assert(code.match(/.penguin\\s*?{[\\s\\S]*--penguin-belly\\s*?:\\s*?white\\s*?;[\\s\\S]*}/gi), '<code>penguin</code> class should declare the <code>--penguin-skin</code> variable and assign it to <code>white</code>.');"
+            "assert(code.match(/.penguin\\s*?{[\\s\\S]*--penguin-belly\\s*?:\\s*?white\\s*?;[\\s\\S]*}/gi), '<code>penguin</code> class should declare the <code>--penguin-belly</code> variable and assign it to <code>white</code>.');"
         },
         {
           "text":
-            "<code>penguin</code> class should declare the <code>--penguin-skin</code> variable and assign it to <code>orange</code>.",
+            "<code>penguin</code> class should declare the <code>--penguin-beak</code> variable and assign it to <code>orange</code>.",
           "testString":
-            "assert(code.match(/.penguin\\s*?{[\\s\\S]*--penguin-beak\\s*?:\\s*?orange\\s*?;[\\s\\S]*}/gi), '<code>penguin</code> class should declare the <code>--penguin-skin</code> variable and assign it to <code>orange</code>.');"
+            "assert(code.match(/.penguin\\s*?{[\\s\\S]*--penguin-beak\\s*?:\\s*?orange\\s*?;[\\s\\S]*}/gi), '<code>penguin</code> class should declare the <code>--penguin-beak</code> variable and assign it to <code>orange</code>.');"
         }
       ],
       "solutions": [],