diff --git a/zshrc b/zshrc
index 67f9afc..9d3118b 100644
--- a/zshrc
+++ b/zshrc
@@ -12,9 +12,19 @@ sources+="$HOME/.zsh/functions.zsh"
 sources+="$HOME/.zsh/private.zsh"
 sources+="$HOME/.zsh/aliases.zsh"
 sources+="$HOME/.zsh/completion.zsh"
+
+# highlights the live command line
+# Cloned From: git://github.com/nicoulaj/zsh-syntax-highlighting.git
 sources+="$HOME/.zsh/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh"
+
+# provides the package name of a non existing executable
+# (sudo apt-get install command-not-found)
 sources+="/etc/zsh_command_not_found"
 
+# Autojump: a cd command that learns
+# Cloned From: git://github.com/joelthelion/autojump.git
+sources+="$HOME/.zsh/autojump/autojump.zsh"
+
 foreach file (`echo $sources`)
     if [[ -a $file ]]; then
         source $file