Use oh-my-zsh path variables in zshrc.zsh-template (#8960)

templates/zshrc.zsh-template

@@ -12,7 +12,7 @@ ZSH_THEME="robbyrussell"
 
 # Set list of themes to pick from when loading at random
 # Setting this variable when ZSH_THEME=random will cause zsh to load
-# a theme from this variable instead of looking in ~/.oh-my-zsh/themes/
+# a theme from this variable instead of looking in $ZSH/themes/
 # If set to an empty array, this variable will have no effect.
 # ZSH_THEME_RANDOM_CANDIDATES=( "robbyrussell" "agnoster" )
 
@@ -64,8 +64,8 @@ ZSH_THEME="robbyrussell"
 # ZSH_CUSTOM=/path/to/new-custom-folder
 
 # Which plugins would you like to load?
-# Standard plugins can be found in ~/.oh-my-zsh/plugins/*
-# Custom plugins may be added to ~/.oh-my-zsh/custom/plugins/
+# Standard plugins can be found in $ZSH/plugins/
+# Custom plugins may be added to $ZSH_CUSTOM/plugins/
 # Example format: plugins=(rails git textmate ruby lighthouse)
 # Add wisely, as too many plugins slow down shell startup.
 plugins=(git)