===================================================================
@@ -1,10 +1,19 @@
#!/usr/bin/env python3
-# The script requires simplejson, requests, semantic_version packages, in case
-# of openSUSE:
-# zypper in python3-simplejson python3-requests
-# pip3 install semantic_version
+# This script is used by maintainers to modify Bugzilla entries in batch
+# mode.
+# Currently it can remove and add a release from/to PRs that are prefixed
+# with '[x Regression]'. Apart from that, it can also change target
+# milestones and optionally enhance the list of known-to-fail versions.
+#
+# The script utilizes the Bugzilla API, as documented here:
+# http://bugzilla.readthedocs.io/en/latest/api/index.html
+# It requires the simplejson, requests, semantic_version packages.
+# In case of openSUSE:
+# zypper in python3-simplejson python3-requests
+# pip3 install semantic_version
+
import requests
import json
import argparse