1 files changed, 1 insertions, 1 deletions
diff --git a/notes.h b/notes.h
index c72bb9710..a66532103 100644
--- a/notes.h
+++ b/notes.h
@@ -277,7 +277,7 @@ void init_display_notes(struct display_notes_opt *opt);
  *
  * You *must* call init_display_notes() before using this function.
  */
-void format_display_notes(const unsigned char *object_sha1,
+void format_display_notes(const struct object_id *object_oid,
 			  struct strbuf *sb, const char *output_encoding, int raw);
 
 /*