comments: fix misuses of "nor"

Signed-off-by: Justin Lebar <jlebar@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/delta.h b/delta.h
index b9d333d..9b67531 100644
--- a/delta.h
+++ b/delta.h
@@ -9,7 +9,7 @@ struct delta_index;
  *
  * This returns a pointer to a struct delta_index that should be passed to
  * subsequent create_delta() calls, or to free_delta_index().  A NULL pointer
- * is returned on failure.  The given buffer must not be freed nor altered
+ * is returned on failure.  The given buffer must not be freed or altered
  * before free_delta_index() is called.  The returned pointer must be freed
  * using free_delta_index().
  */