diff --git a/.github/workflows/chebi.yml b/.github/workflows/chebi.yml
index 9f803afd..eccea8dd 100644
--- a/.github/workflows/chebi.yml
+++ b/.github/workflows/chebi.yml
@@ -60,7 +60,7 @@ jobs:
           inputFile="mapping_preprocessing/datasources/chebi/data/ChEBI_complete_3star.sdf"
           outputDir="mapping_preprocessing/datasources/chebi/data"
           java -cp java -cp target/mapping_prerocessing-0.0.1-jar-with-dependencies.jar org.sec2pri.chebi_sdf $inputFile $outputDir
-          echo "Java preprocessing of ChEBI data is done"
+          echo "Java preprocessing of ChEBI data is done."
 
 
 
diff --git a/.github/workflows/hmdb.yml b/.github/workflows/hmdb.yml
index 68d6f7c7..28775a72 100644
--- a/.github/workflows/hmdb.yml
+++ b/.github/workflows/hmdb.yml
@@ -56,7 +56,7 @@ jobs:
       # Step 3: create and compare logfile (tba)
       - name: Compare data size 
         run: |
-          echo "HMDB data has been succesfully downloaded"
+          echo "HMDB data has been succesfully downloaded."
           
       # Step 4: Commit and push logfile
      # - name: Commit and Push Logfile
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index ec7e1a17..d963d2ce 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -4,7 +4,8 @@ on:
   push:
     branches:
       - main
-    pull_request:
+  pull_request:
+    branches:
       - main 
 
 jobs: