documentation: correct URL, both work

Author: mtmail

README.md

@@ -17,7 +17,7 @@ You can find a [comprehensive tutorial for using this module on the OpenCage sit
 
 There are two brief video tutorials on YouTube, one [covering forward geocoding](https://www.youtube.com/watch?v=9bXu8-LPr5c), one [covering reverse geocoding](https://www.youtube.com/watch?v=u-kkE4yA-z0).
 
-The module installs an `opencage` CLI tool for geocoding files. Check `opencage --help` or the [CLI tutorial](https://opencagedata.com/tutorials/geocode-in-cli).
+The module installs an `opencage` CLI tool for geocoding files. Check `opencage --help` or the [CLI tutorial](https://opencagedata.com/tutorials/geocode-commandline).
 
 
 ## Usage