diff --git a/1-js/02-first-steps/13-while-for/article.md b/1-js/02-first-steps/13-while-for/article.md
index eadbf532..e1c5ad38 100644
--- a/1-js/02-first-steps/13-while-for/article.md
+++ b/1-js/02-first-steps/13-while-for/article.md
@@ -162,10 +162,8 @@ for (i = 0; i < 3; i++) { // use an existing variable
 
 alert(i); // 3, visible, because declared outside of the loop
 ```
-
 ````
 
-
 ### Skipping parts
 
 Any part of `for` can be skipped.
@@ -286,7 +284,6 @@ if (i > 5) {
 
 ...and rewrite it using a question mark:
 
-
 ```js no-beautify
 (i > 5) ? alert(i) : *!*continue*/!*; // continue isn't allowed here
 ```
@@ -321,6 +318,7 @@ We need a way to stop the process if the user cancels the input.
 The ordinary `break` after `input` would only break the inner loop. That's not sufficient -- labels, come to the rescue!
 
 A *label* is an identifier with a colon before a loop:
+
 ```js
 labelName: for (...) {
   ...
@@ -342,6 +340,7 @@ The `break <labelName>` statement in the loop below breaks out to the label:
     // do something with the value...
   }
 }
+
 alert('Done!');
 ```
 
@@ -362,6 +361,7 @@ The `continue` directive can also be used with a label. In this case, code execu
 Labels do not allow us to jump into an arbitrary place in the code.
 
 For example, it is impossible to do this:
+
 ```js
 break label; // jump to the label below (doesn't work)
 
@@ -369,6 +369,7 @@ label: for (...)
 ```
 
 A `break` directive must be inside a code block. Technically, any labelled code block will do, e.g.:
+
 ```js
 label: {
   // ...