added comment for auto-generated hostname color

themes/michelebologna.zsh-theme

@@ -16,6 +16,7 @@ RESET_COLOR="%{$reset_color%}"
 USERNAME_NORMAL_COLOR=$WHITE
 USERNAME_ROOT_COLOR=$RED
 HOSTNAME_NORMAL_COLOR=$BLUE
+# uncomment next line if you want auto-generated hostname color
 #for i in `hostname`; HOSTNAME_NORMAL_COLOR=$COLOR_ARRAY[$[((#i))%7+1]]
 HOSTNAME_ROOT_COLOR=$RED
 HOSTNAME_COLOR=%(!.$HOSTNAME_ROOT_COLOR.$HOSTNAME_NORMAL_COLOR)