Replacing DISABLE_CORRECTION with ENABLE_CORRECTION in zshrc template

Since commands auto-correction must be explicitly enable with
the ENABLE_CORRECTION envvar, this commit replaces the unaccurate
example in the zshrc template.

templates/zshrc.zsh-template

@@ -26,8 +26,8 @@ ZSH_THEME="robbyrussell"
 # Uncomment the following line to disable auto-setting terminal title.
 # DISABLE_AUTO_TITLE="true"
 
-# Uncomment the following line to disable command auto-correction.
-# DISABLE_CORRECTION="true"
+# Uncomment the following line to enable command auto-correction.
+# ENABLE_CORRECTION="true"
 
 # Uncomment the following line to display red dots whilst waiting for completion.
 # COMPLETION_WAITING_DOTS="true"