A bit more fixes for 2.15.1

We've been waiting long enough, a few more would not hurt ;-)

Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/RelNotes/2.15.1.txt b/Documentation/RelNotes/2.15.1.txt
index 81dd64b..a6ae4c1 100644
--- a/Documentation/RelNotes/2.15.1.txt
+++ b/Documentation/RelNotes/2.15.1.txt
@@ -76,5 +76,10 @@
  * We used to add an empty alternate object database to the system
    that does not help anything; it has been corrected.
 
+ * Error checking in "git imap-send" for empty response has been
+   improved.
+
+ * An ancient bug in "git apply --ignore-space-change" codepath has
+   been fixed.
 
 Also contains various documentation updates and code clean-ups.