diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 165e32a..a2f8b4f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -43,15 +43,12 @@ jobs:
     - name: Get changed files
       id: getfile
       run: |
-        files=$(git diff-tree --no-commit-id --name-only -r $(git log -n 1 --pretty=format:"%H") | grep ".ttl$" || echo "")
+        files=$(git diff-tree --no-commit-id --name-only -r $(git log -n 1 --pretty=format:"%H") | grep ".ttl$" | tr '\n' ' ' || echo "")
         if [ -z "$files" ]; then
           echo "No .ttl files changed."
           exit 0
         fi
-          echo $files  # Debugging line to check the detected files
-          echo "FILES<<EOF" >> $GITHUB_ENV
-          echo "$files" >> $GITHUB_ENV
-          echo "EOF" >> $GITHUB_ENV
+        echo "FILES=$files" >> $GITHUB_ENV
                 
     - name: Echo changed files
       run: |
diff --git a/file1.shapes.ttl b/file1.shapes.ttl
index c13b5b3..5f9a5f8 100644
--- a/file1.shapes.ttl
+++ b/file1.shapes.ttl
@@ -2,7 +2,6 @@
 # imports: http://datashapes.org/dash
 # prefix: file1
 
-@base <https://example/file1> .
 @prefix dash: <http://datashapes.org/dash#> .
 @prefix file1: <https://example/file1#> .
 @prefix owl: <http://www.w3.org/2002/07/owl#> .
@@ -14,7 +13,7 @@
 <https://example/file1>
   a owl:Ontology ;
   owl:imports <http://datashapes.org/dash> ;
-  owl:versionInfo "Created with           TopBraid Composer" ;
+  owl:versionInfo "Created with            TopBraid Composer" ;
 .
 file1:DestinationClass_1
   a file1:Location ;
diff --git a/subfolder/file2.shapes.ttl b/subfolder/file2.shapes.ttl
index 1875fa8..917c8c1 100644
--- a/subfolder/file2.shapes.ttl
+++ b/subfolder/file2.shapes.ttl
@@ -19,7 +19,7 @@ file1:isPointOfShape
   a owl:Ontology ;
   owl:imports <http://datashapes.org/dash> ;
   owl:imports <https://example/file1> ;
-  owl:versionInfo "Created  with            TopBraid Composer" ;
+  owl:versionInfo "Created  with             TopBraid Composer" ;
 .
 file2:ShouldFail
   a file1:RandomOtherClass ;