Add a note about cert check in the CHANGELOG
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4664c4d..b23e07d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -46,6 +46,10 @@ v0.21 + 1
repository_cb_payload to allow the user to create a repository with
custom options.
+* The option to ignore certificate errors via git_remote_cert_check()
+ is no longer present. Instead, git_remote_callbacks has gained a new
+ entry which lets the user perform their own certificate checks.
+
* git_clone_into and git_clone_local_into have been removed from the
public API in favour of git_clone callbacks