diff --git a/src/backend/distributed/commands/utility_hook.c b/src/backend/distributed/commands/utility_hook.c
index 492c90ce7..dcd582120 100644
--- a/src/backend/distributed/commands/utility_hook.c
+++ b/src/backend/distributed/commands/utility_hook.c
@@ -1677,7 +1677,8 @@ RunPostprocessMainDBCommand(Node *parsetree)
 
 
 /*
- * IsStatementSupportedIn2Pc returns true if the statement is supported in 2pc
+ * IsStatementSupportedIn2Pc returns true if the statement is supported from a
+ * non-main database.
  */
 static bool
 IsStatementSupportedIn2PC(Node *parsetree)