Grammar fixes.

hasselg · hasselg · commit d35dc3b84b94 · 2014-04-12T08:51:08.000-04:00
Changed a usage of “which” to “that” and a colon to a semicolon.
diff --git a/functions/declare.md b/functions/declare.md
@@ -1,14 +1,14 @@
 # Declaring Functions
 
-Functions, like variables, must be declared. Let's declare a function `double` which accepts an **argument** called `x` and **returns** the double of x :
+Functions, like variables, must be declared. Let's declare a function `double` that accepts an **argument** called `x` and **returns** the double of x :
 
 ```javascript
 function double(x) {
     return 2 * x;
 }
 ```
 
-Functions are also values in JavaScript: they can be stored in variables (just like numbers, strings, etc ...) and given to other functions as arguments :
+Functions are also values in JavaScript; they can be stored in variables (just like numbers, strings, etc ...) and given to other functions as arguments :
 
 ```javascript
 var double = function(x) {
