updated functions fundamental

remarcmij · remarcmij · commit 5f8ae988b8c1 · 2018-01-18T21:38:15.000+01:00
diff --git a/fundamentals/functions.md b/fundamentals/functions.md
@@ -8,7 +8,7 @@ Consider this **function** from [high-school math](https://www.mathplanet.com/ed
 >
 > 𝑓(2) = 2 + 7 = 9
 
-The value of the function 𝑓(x) is dependent on the value you supply for its argument x. (Instead of the term 'argument', sometimes the word 'parameter' is used). This function adds 7 to the value of its argument. Whenever we need to add 7 to some number we can reuse this same function over and over again.
+The value of the function 𝑓(x) is dependent on the value you supply for its argument x. (Instead of the term 'argument', sometimes the word 'parameter' is used). 
 
 Here is the equivalent JavaScript function:
 
@@ -22,7 +22,9 @@ function f(x) {
 console.log(f(2));  // -> 9
 ```
 
-During execution, the value of x in the function body (the part between the curly braces) is substituted with the value 'passed' during the function call.
+This function adds 7 to the value of its argument. Whenever we need to add 7 to some number we can reuse this same function over and over again.
+
+During execution, the value of x in the function body (the part between the curly braces) is substituted with the value 'passed' during the function call. 
 
 A function thus is a reusable piece of code (see _Why Use Functions_ below). Functions are *very* important in JavaScript, to the extent that some people call JavaScript a "function-oriented" language. As mentioned above, variables can be of type function. In fact, *every function is a variable*.
 
