Update readme

Author: ericof

.github/workflows/backend.yml

@@ -215,5 +215,5 @@ jobs:
             DB_PASSWORD=${{ secrets.DB_PASSWORD }}
             BASIC_AUTH_USER=${{ vars.BASIC_AUTH_USER }}
             BASIC_AUTH_PASSWORD=${{ vars.BASIC_AUTH_PASSWORD }}
-            MASTODON_APPS='${{ secrets.MASTODON_APPS }}'
+            MASTODON_APPS=${{ secrets.MASTODON_APPS }}
           deploy_timeout: 480

backend/README.md

@@ -4,7 +4,7 @@ Plone Projekt für die deutschsprachige Plone Tagung.
 
 ## Features
 
-* Configure the website for tagung.
+* Configure the website for tagung
 
 ## Installation