diff --git a/seed/challenges/01-responsive-web-design/basic-css.json b/seed/challenges/01-responsive-web-design/basic-css.json
index 898e6239b5..041992b4f0 100644
--- a/seed/challenges/01-responsive-web-design/basic-css.json
+++ b/seed/challenges/01-responsive-web-design/basic-css.json
@@ -4300,16 +4300,16 @@
       ],
       "tests": [
         {
-          "text": "<code>penguin</code> class should declar the <code>--penguin-skin</code> variable and assign it to <code>gray</code>.",
-          "testString": "assert(code.match(/.penguin\\s*?{[\\s\\S]*--penguin-skin\\s*?:\\s*?gray\\s*?;[\\s\\S]*}/gi), '<code>penguin</code> class should declar the <code>--penguin-skin</code> variable and assign it to <code>gray</code>.');"
+          "text": "<code>penguin</code> class should declare the <code>--penguin-skin</code> variable and assign it to <code>gray</code>.",
+          "testString": "assert(code.match(/.penguin\\s*?{[\\s\\S]*--penguin-skin\\s*?:\\s*?gray\\s*?;[\\s\\S]*}/gi), '<code>penguin</code> class should declare the <code>--penguin-skin</code> variable and assign it to <code>gray</code>.');"
         },
         {
-          "text": "<code>penguin</code> class should declar the <code>--penguin-skin</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 declar the <code>--penguin-skin</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>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>.');"
         },
         {
-          "text": "<code>penguin</code> class should declar the <code>--penguin-skin</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 declar the <code>--penguin-skin</code> variable and assign it to <code>orange</code>.');"
+          "text": "<code>penguin</code> class should declare the <code>--penguin-skin</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>.');"
         }
       ],
       "solutions": [],
@@ -4542,8 +4542,8 @@
       ],
       "tests": [
         {
-          "text": "<code>penguin</code> class should declar the <code>--penguin-skin</code> variable and assign it to <code>gray</code>.",
-          "testString": "assert(code.match(/.penguin\\s*?{[\\s\\S]*--penguin-skin\\s*?:\\s*?gray\\s*?;[\\s\\S]*}/gi), '<code>penguin</code> class should declar the <code>--penguin-skin</code> variable and assign it to <code>gray</code>.');"
+          "text": "<code>penguin</code> class should declare the <code>--penguin-skin</code> variable and assign it to <code>gray</code>.",
+          "testString": "assert(code.match(/.penguin\\s*?{[\\s\\S]*--penguin-skin\\s*?:\\s*?gray\\s*?;[\\s\\S]*}/gi), '<code>penguin</code> class should declare the <code>--penguin-skin</code> variable and assign it to <code>gray</code>.');"
         }
       ],
       "solutions": [],