diff --git a/.github/workflows/tag-and-release.yml b/.github/workflows/tag-and-release.yml
index f06d980f..e40dc3f7 100644
--- a/.github/workflows/tag-and-release.yml
+++ b/.github/workflows/tag-and-release.yml
@@ -1,4 +1,8 @@
 ---
+# THIS WORKFLOW IS MANAGED BY STACKHPC RELEASE TRAIN
+# https://github.com/stackhpc/stackhpc-release-train
+# Do not make changes to it manually
+
 name: Tag & Release
 'on':
   push:
diff --git a/.github/workflows/tox.yml b/.github/workflows/tox.yml
index 8713f0e0..1df9a3c5 100644
--- a/.github/workflows/tox.yml
+++ b/.github/workflows/tox.yml
@@ -1,4 +1,8 @@
 ---
+# THIS WORKFLOW IS MANAGED BY STACKHPC RELEASE TRAIN
+# https://github.com/stackhpc/stackhpc-release-train
+# Do not make changes to it manually
+
 name: Tox Continuous Integration
 'on':
   pull_request: