Formatting fix

free-programming-books.md

@@ -773,8 +773,8 @@
 * [Advanced Bash-Scripting Guide](http://tldp.org/LDP/abs/html/) - M. Cooper
 * [Bash Guide for Beginners](http://www.tldp.org/LDP/Bash-Beginners-Guide/html/) - M. Garrels
 * [BASH Programming](http://tldp.org/HOWTO/Bash-Prog-Intro-HOWTO.html)
-* [BashGuide](http://mywiki.wooledge.org/BashGuide)
 * [Bash Reference Manual](http://www.gnu.org/software/bash/manual/bashref.html)
+* [BashGuide](http://mywiki.wooledge.org/BashGuide)
 * [Conquering the Command Line](http://conqueringthecommandline.com/book/frontmatter) - Mark Bates
 * [Getting Started with BASH](http://www.hypexr.org/bash_tutorial.php)
 * [Google Shell Style Guide](http://google-styleguide.googlecode.com/svn/trunk/shell.xml)