docs: fix edit_uri

Author: ukkopahis

mkdocs.yml

@@ -1,11 +1,10 @@
 site_name: IOTstack
 site_description: 'Docker stack for getting started on IOT on the Raspberry PI'
 
-
 # Repository
 repo_url: https://github.com/SensorsIot/IOTstack
 repo_name: SensorsIot/IOTstack
-edit_uri: "https://github.com/SensorsIot/IOTstack/edit/master/"
+edit_uri: "https://github.com/SensorsIot/IOTstack/edit/master/docs"
 
 theme:
   name: material