From cac3502bac2c6813430ccff8a61056411a02d127 Mon Sep 17 00:00:00 2001
From: Dana Hoffman <danahoffman@google.com>
Date: Tue, 22 May 2018 17:56:25 -0700
Subject: [PATCH] Update CHANGELOG.md

---
 CHANGELOG.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6f2dbaf6..02f71aa3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 ## 1.13.0 (Unreleased)
 
+BACKWARDS INCOMPATIBILITIES / NOTES:
+* `google_project_service`/`google_project_services` now use the [Service Usage API](https://cloud.google.com/service-usage). Users of those resources will need to enable the API at https://console.cloud.google.com/apis/api/serviceusage.googleapis.com.
+
 FEATURES:
 * **New Resource**: `google_cloudbuild_trigger`. [GH-1357]
 * **New Resource**: `google_storage_bucket_iam_policy` [GH-1190]