diff --git a/.github/workflows/pullpreview.yml b/.github/workflows/pullpreview.yml
index aea28fec491..acfa883aa8b 100644
--- a/.github/workflows/pullpreview.yml
+++ b/.github/workflows/pullpreview.yml
@@ -36,7 +36,7 @@ jobs:
         echo "OPENPROJECT_NOTIFICATIONS_POLLING_INTERVAL=10000" >> .env.pullpreview
         echo "OPENPROJECT_ENTERPRISE__CHARGEBEE__SITE=openproject-enterprise-test" >> .env.pullpreview
         echo "OPENPROJECT_ENTERPRISE__TRIAL__CREATION__HOST=https://start.openproject-edge.com" >> .env.pullpreview
-        echo "OPENPROJECT_FEATURE_BLOCK_NOTE_EDITOR=true" >> .env.pullpreview  
+        echo "OPENPROJECT_FEATURE_BLOCK_NOTE_EDITOR=true" >> .env.pullpreview
     - name: Boot as BIM edition
       if: contains(github.ref, 'bim/') || contains(github.head_ref, 'bim/')
       run: |
@@ -47,6 +47,8 @@ jobs:
         cp ./docker/prod/Dockerfile ./Dockerfile
     - uses: pullpreview/action@v5
       with:
+        # allows to ssh to the instance using our GitHub ssh key
+        # command like: ssh ec2-user@pr-19375-trial-ip-3-127-219-135.my.preview.run
         admins: crohr,HDinger,machisuji,oliverguenther,ulferts,wielinde,cbliard
         compose_files: docker-compose.pullpreview.yml
         instance_type: xlarge