mention $ZSH_CUSTOM as suggested in #2295

templates/zshrc.zsh-template

@@ -42,6 +42,9 @@ ZSH_THEME="robbyrussell"
 # The optional three formats: "mm/dd/yyyy"|"dd.mm.yyyy"|"yyyy-mm-dd"
 # HIST_STAMPS="mm/dd/yyyy"
 
+# Would you like to use another custom folder than $ZSH/custom?
+# ZSH_CUSTOM=/path/to/new-custom-folder
+
 # Which plugins would you like to load? (plugins can be found in ~/.oh-my-zsh/plugins/*)
 # Custom plugins may be added to ~/.oh-my-zsh/custom/plugins/
 # Example format: plugins=(rails git textmate ruby lighthouse)