Update docs.yml

Author: marvinschmitt

.github/workflows/docs.yml

@@ -1,11 +1,11 @@
 # From https://github.com/eeholmes/readthedoc-test/blob/main/.github/workflows/docs_pages.yml
 name: docs
 
-# execute this workflow automatically when a we push to main
+# execute this workflow automatically when a we push to master
 on:
   push:
-    branches: [ master ]
-  workflow_dispatch:
+    branches:
+      - master
 
 jobs:
 
@@ -51,4 +51,4 @@ jobs:
             git  push
           else
             echo No commit made because the docs have not changed.
-          fi
+          fi