diff --git a/src/backend/storage/file/fd.c b/src/backend/storage/file/fd.c
index 315c74c7456..60f39031fb5 100644
--- a/src/backend/storage/file/fd.c
+++ b/src/backend/storage/file/fd.c
@@ -3208,7 +3208,8 @@ SyncDataDirectory(void)
  *
  * Errors are reported at level elevel, which might be ERROR or less.
  *
- * See also walkdir in initdb.c, which is a frontend version of this logic.
+ * See also walkdir in file_utils.c, which is a frontend version of this
+ * logic.
  */
 static void
 walkdir(const char *path,