diff --git a/src/backend/distributed/shared_library_init.c b/src/backend/distributed/shared_library_init.c
index 2606fc325..9b5768ee7 100644
--- a/src/backend/distributed/shared_library_init.c
+++ b/src/backend/distributed/shared_library_init.c
@@ -1823,7 +1823,7 @@ RegisterCitusConfigVariables(void)
 
 	DefineCustomStringVariable(
 		"citus.main_db",
-		gettext_noop("Which database is designated as the controldb"),
+		gettext_noop("Which database is designated as the main_db"),
 		NULL,
 		&MainDb,
 		"",