Fixed comments in zshrc.zsh-template about disabling auto updates.

Previously they did not make sense nor were they accurate.

templates/zshrc.zsh-template

@@ -14,7 +14,7 @@ ZSH_THEME="robbyrussell"
 # Set to this to use case-sensitive completion
 # CASE_SENSITIVE="true"
 
-# Comment this out to disable bi-weekly auto-update checks
+# Uncomment this to disable bi-weekly auto-update checks
 # DISABLE_AUTO_UPDATE="true"
 
 # Uncomment to change how often before auto-updates occur? (in days)