binary diff: document changes in CHANGELOG
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1fff2d4..a8e3e18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -65,6 +65,10 @@ support for HTTPS connections insead of OpenSSL.
configuration. This allows modifying URL prefixes to a custom
value via gitconfig.
+* `git_diff_foreach`, `git_diff_blobs`, `git_diff_blob_to_buffer`,
+ and `git_diff_buffers` now accept a new binary callback of type
+ `git_diff_binary_cb` that includes the binary diff information.
+
### API additions
* The `git_merge_options` gained a `file_flags` member.