Update documentation links and link in main readme

docs/cheatsheet.md

@@ -8,13 +8,13 @@ Note that there is also a [Cheatsheet specific to Markdown Here](./Markdown-Here
 [Lists](#lists)  
 [Links](#links)  
 [Images](#images)  
-[Code and Syntax Highlighting](#code)  
+[Code and Syntax Highlighting](#code-and-syntax-highlighting)  
 [Tables](#tables)  
 [Blockquotes](#blockquotes)  
-[Inline HTML](#html)  
-[Horizontal Rule](#hr)  
-[Line Breaks](#lines)
-[YouTube Videos](#videos)
+[Inline HTML](#inline-html)  
+[Horizontal Rule](#horizontal-rule)  
+[Line Breaks](#line-breaks)
+[YouTube Videos](#youtube-videos)
 
 ## Headers
 
@@ -211,8 +211,6 @@ No language indicated, so no syntax highlighting.
 But let's throw in a <b>tag</b>.
 ```
 
-
-
 ```javascript
 var s = "JavaScript syntax highlighting";
 alert(s);

docs/php.md

@@ -9,4 +9,4 @@
 
 ## Fun
 
-[Browser game sf2](https://github.com/joanmadrid/esirith)
+[Browser game (Symfony 2)](https://github.com/joanmadrid/esirith)