update comment

Author: shreyas-goenka

acceptance/bundle/validate/definitions_yaml_anchors/databricks.yml

@@ -1,6 +1,6 @@
 # This test verifies that bundles can use the 'definitions' field for YAML anchors
-# without triggering the OSS Spark Pipelines validation error.
-# This is a common pattern for reusing configuration across multiple resources.
+# without triggering the OSS Spark Pipelines validation error. This was a regression
+# patched in https://github.com/databricks/cli/pull/3889
 
 definitions:
   common_cluster_settings: &common_cluster_settings