thodg/libgit2

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 80d7b41..69f02bb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -186,6 +186,11 @@ support for HTTPS connections insead of OpenSSL.
 * The `push` function in the `git_transport` interface now takes a
   pointer to the remote callbacks.
 
+* The `git_index_entry` struct's fields' types have been changed to
+  more accurately reflect what is in fact stored in the
+  index. Specifically, time and file size are 32 bits intead of 64, as
+  these values are truncated.
+
 v0.22
 ------