diff --git a/.github/workflows/docbook.yml b/.github/workflows/docbook.yml
index 0735e0a73..b56fedda4 100644
--- a/.github/workflows/docbook.yml
+++ b/.github/workflows/docbook.yml
@@ -1,3 +1,4 @@
+---
 name: Validate/build docs
 
 on:
@@ -50,6 +51,9 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     needs: select-dc-files
+    outputs:
+      failed-dc-files: ${{ steps.gha-validate.outputs.failed-dc-files }}
+      successful-dc-files: ${{ steps.gha-validate.outputs.successful-dc-files }}
     strategy:
       # don't cancel all validation runners when one of them fails, we want full results
       fail-fast: false
@@ -59,10 +63,27 @@ jobs:
       - uses: actions/checkout@v3
       - name: Validating DC file(s) ${{ matrix.dc-files }}
         uses: openSUSE/doc-ci@gha-validate
+        id: gha-validate
         with:
           dc-files: ${{ matrix.dc-files }}
 
 
+  summary:
+    runs-on: ubuntu-latest
+    needs: [validate]
+    if: ${{ always() }}
+    steps:
+      - name: Collecting files for job summary
+        run: |
+          echo '### Validation results' >> $GITHUB_STEP_SUMMARY
+          for file in ${{ job.validate.outputs.failed-dc-files }}; do
+            echo '* :negative_squared_cross_mark:' "$file" >> $GITHUB_STEP_SUMMARY
+          done
+          for file in ${{ job.validate.outputs.successful-dc-files }}; do
+            echo '* :heavy_check_mark:' "$file" >> $GITHUB_STEP_SUMMARY
+          done
+
+
   build-html:
     runs-on: ubuntu-latest
     needs: [select-dc-files, validate]
diff --git a/DC-concept-bci b/DC-concept-bci
index b6998a264..022e727df 100644
--- a/DC-concept-bci
+++ b/DC-concept-bci
@@ -1,5 +1,6 @@
 # This file originates from the project https://github.com/openSUSE/doc-kit
 # This file can be edited downstream.
+#
 
 MAIN="concept-bci.xml"
 ROOTID="concept-bci"
diff --git a/xml/concept-bci.xml b/xml/concept-bci.xml
index bc366f10b..3cd59d4e9 100644
--- a/xml/concept-bci.xml
+++ b/xml/concept-bci.xml
@@ -31,7 +31,7 @@ e.g. concept-fencing-->
  xmlns="http://docbook.org/ns/docbook" version="5.1"
  xmlns:its="http://www.w3.org/2005/11/its"
  xmlns:xi="http://www.w3.org/2001/XInclude"
- xmlns:xlink="http://www.w3.org/1999/xlink">
+ xmlns:xlink="http://www.w3.org/1999/xlink"
  <info>
   <title>Introduction to &slsa; &bci;</title>
   <dm:docmanager xmlns:dm="urn:x-suse:ns:docmanager">