diff --git a/module_build_service/common/resolve.py b/module_build_service/common/resolve.py
index cdf099c8..4c8ea186 100644
--- a/module_build_service/common/resolve.py
+++ b/module_build_service/common/resolve.py
@@ -135,8 +135,8 @@ def get_base_module_mmds(db_session, mmd):
 
     :param Modulemd mmd: Input modulemd metadata.
     :rtype: dict with lists of Modulemd
-    :return: Dict with "ready" or "garbage" state name as a key and list of MMDs of base modules
-        buildrequired by `mmd` as a value.
+    :return: Dict with "ready", "garbage", and "missing" state name as a key and list of MMDs of
+        base modules buildrequired by `mmd` as a value.
     """
     from module_build_service.common import models