Fix formatting

README.textile

@@ -60,6 +60,7 @@ If you have many functions which go well together you can put them as a *.plugin
 If you would like to override the functionality of a plugin distributed with oh-my-zsh, create a plugin of the same name in the @custom/plugins/@ directory and it will be loaded instead of the one in @plugins/@.
 
 h3. Updates
+
 By default you will be prompted to check for updates. If you would like oh-my-zsh to automatically update itself without prompting you, set the following in your ~/.zshrc
 
 @DISABLE_UPDATE_PROMPT=true@