add link

plugins/gulp/README.md

@@ -1,6 +1,6 @@
 # gulp plugin
 
-This plugin adds autocompletion for your `gulp` tasks. It grabs all available tasks from the `gulpfile.js` in the current directory.
+This plugin adds autocompletion for your [`gulp`](https://gulpjs.com/) tasks. It grabs all available tasks from the `gulpfile.js` in the current directory.
 
 To use it, add `gulp` to the plugins array of your `.zshrc` file:
 ```