diff --git a/scripts/analyze-migration.py b/scripts/analyze-migration.py
index d7177b212c..9d239d309f 100755
--- a/scripts/analyze-migration.py
+++ b/scripts/analyze-migration.py
@@ -610,4 +610,4 @@ elif args.dump == "desc":
     dump.read(desc_only = True)
     print(jsonenc.encode(dump.vmsd_desc))
 else:
-    raise Exception("Please specify either -x, -d state or -d dump")
+    raise Exception("Please specify either -x, -d state or -d desc")