diff --git a/zuul-tests.d/cloud-roles-jobs.yaml b/zuul-tests.d/cloud-roles-jobs.yaml
index df96d6fa4..7713c802a 100644
--- a/zuul-tests.d/cloud-roles-jobs.yaml
+++ b/zuul-tests.d/cloud-roles-jobs.yaml
@@ -7,6 +7,11 @@
     vars:
       role_name: install-devstack
 
+# -* AUTOGENERATED *-
+#  The following project section is autogenerated by
+#    tools/update-test-platforms.py
+#  Please re-run to generate new job lists
+
 - project:
     check:
       jobs: &id001
diff --git a/zuul-tests.d/container-roles-jobs.yaml b/zuul-tests.d/container-roles-jobs.yaml
index ee6beedaa..aa2b12f15 100644
--- a/zuul-tests.d/container-roles-jobs.yaml
+++ b/zuul-tests.d/container-roles-jobs.yaml
@@ -150,7 +150,10 @@
       - test-playbooks/install-podman/.*
     run: test-playbooks/install-podman/main.yaml
 
-# List all the jobs in this file.
+# -* AUTOGENERATED *-
+#  The following project section is autogenerated by
+#    tools/update-test-platforms.py
+#  Please re-run to generate new job lists
 
 - project:
     check:
diff --git a/zuul-tests.d/general-roles-jobs.yaml b/zuul-tests.d/general-roles-jobs.yaml
index ca21e03cd..49bc718ce 100644
--- a/zuul-tests.d/general-roles-jobs.yaml
+++ b/zuul-tests.d/general-roles-jobs.yaml
@@ -470,6 +470,11 @@
       - ^roles/upload-git-mirror/.*
       - ^test-playbooks/upload-git-mirror.yaml
 
+# -* AUTOGENERATED *-
+#  The following project section is autogenerated by
+#    tools/update-test-platforms.py
+#  Please re-run to generate new job lists
+
 - project:
     check:
       jobs:
diff --git a/zuul-tests.d/jobs.yaml b/zuul-tests.d/jobs.yaml
index 0bbe0a6b7..eeda8c0d8 100644
--- a/zuul-tests.d/jobs.yaml
+++ b/zuul-tests.d/jobs.yaml
@@ -10,6 +10,11 @@
       tox_environment:
         ANSIBLE_ROLES_PATH: ~/src/opendev.org/opendev/base-jobs/roles:~/src/opendev.org/zuul/zuul-jobs/roles
 
+# -* AUTOGENERATED *-
+#  The following project section is autogenerated by
+#    tools/update-test-platforms.py
+#  Please re-run to generate new job lists
+
 - project:
     check:
       jobs: &id001
diff --git a/zuul-tests.d/js-roles-jobs.yaml b/zuul-tests.d/js-roles-jobs.yaml
index 5859bc90e..a6cfd14ba 100644
--- a/zuul-tests.d/js-roles-jobs.yaml
+++ b/zuul-tests.d/js-roles-jobs.yaml
@@ -7,6 +7,11 @@
     vars:
       role_name: install-nodejs
 
+# -* AUTOGENERATED *-
+#  The following project section is autogenerated by
+#    tools/update-test-platforms.py
+#  Please re-run to generate new job lists
+
 - project:
     check:
       jobs: &id001
diff --git a/zuul-tests.d/launchpad-roles-jobs.yaml b/zuul-tests.d/launchpad-roles-jobs.yaml
index b1f0a0069..8f7661e0f 100644
--- a/zuul-tests.d/launchpad-roles-jobs.yaml
+++ b/zuul-tests.d/launchpad-roles-jobs.yaml
@@ -11,6 +11,11 @@
         access_secret: fake
         consumer_key: fake
 
+# -* AUTOGENERATED *-
+#  The following project section is autogenerated by
+#    tools/update-test-platforms.py
+#  Please re-run to generate new job lists
+
 - project:
     check:
       jobs: &id001
diff --git a/zuul-tests.d/puppet-roles-jobs.yaml b/zuul-tests.d/puppet-roles-jobs.yaml
index a11e330ee..348468436 100644
--- a/zuul-tests.d/puppet-roles-jobs.yaml
+++ b/zuul-tests.d/puppet-roles-jobs.yaml
@@ -7,6 +7,11 @@
     vars:
       role_name: install-pdk-dependencies
 
+# -* AUTOGENERATED *-
+#  The following project section is autogenerated by
+#    tools/update-test-platforms.py
+#  Please re-run to generate new job lists
+
 - project:
     check:
       jobs: &id001
diff --git a/zuul-tests.d/python-jobs.yaml b/zuul-tests.d/python-jobs.yaml
index dad24a5fa..4b9485532 100644
--- a/zuul-tests.d/python-jobs.yaml
+++ b/zuul-tests.d/python-jobs.yaml
@@ -7,6 +7,11 @@
     vars:
       role_name: ensure-sphinx
 
+# -* AUTOGENERATED *-
+#  The following project section is autogenerated by
+#    tools/update-test-platforms.py
+#  Please re-run to generate new job lists
+
 - project:
     check:
       jobs: &id001