diff --git a/docker-compose.directory.migrations.tests.yml b/docker-compose.directory.migrations.tests.yml
index 9e82cb331..55ab50bf2 100644
--- a/docker-compose.directory.migrations.tests.yml
+++ b/docker-compose.directory.migrations.tests.yml
@@ -1,3 +1,5 @@
+# for integration testing directory migrations
+
 version: "3.7"
 
 services: