diff --git a/.github/workflows/sort-data.yml b/.github/workflows/sort-data.yml
new file mode 100644
index 00000000..8823f505
--- /dev/null
+++ b/.github/workflows/sort-data.yml
@@ -0,0 +1,49 @@
+name: Sort data files
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "assets/data/**"
+
+  pull_request:
+    paths:
+      - "assets/data/**"
+
+  workflow_dispatch:
+
+jobs:
+  sort-data:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+
+      - name: Get changed data files
+        id: changed-data
+        uses: tj-actions/changed-files@v45
+        with:
+          files: assets/data/**.{json}
+
+      - name: Sort data files
+        if: steps.changed-data.outputs.any_changed == 'true'
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+        env:
+          ALL_CHANGED_FILES: ${{ steps.changed-data.outputs.all_changed_files }}
+        run: |
+          for file in $ALL_CHANGED_FILES; do
+            python3 format_data.py -f $file
+          done
+
+      # commit all changed files back to the repository
+      - uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          commit_message: Sort data files
diff --git a/assets/img/diciotech-screenshot.png b/assets/img/diciotech-screenshot.png
index 7bdf4beb..602650f9 100644
Binary files a/assets/img/diciotech-screenshot.png and b/assets/img/diciotech-screenshot.png differ
diff --git a/format_data.py b/format_data.py
index ae0b4c0c..0cdcfa20 100644
--- a/format_data.py
+++ b/format_data.py
@@ -19,6 +19,10 @@ def main(file: Path):
     for card in data['cards']:
         card['tags'] = sorted(card['tags'], key=lambda x: strip_accents(x.lower()))
 
+        # ensures that the description ends with a period
+        if not card['description'].endswith('.'):
+            card['description'] += '.'
+
     # sort keys in the cards by reverse key order
     data['cards'] = [{k: v for k, v in sorted(card.items(), reverse=True)} for card in data['cards']]