diff --git a/CHANGELOG.md b/CHANGELOG.md
index f281512b6..539bcfffb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 ## 0.8.0-rc3 (unreleased)
 
+BACKWARDS INCOMPATIBILITIES / NOTES:
+
+ * Variable, resource, provider, and module names may no longer start with
+   a number or hyphen. Please see the upgrade guide for more information.
+
 FEATURES:
 
  * **New Provider:** `external` [GH-8768]