diff --git a/CHANGELOG.md b/CHANGELOG.md
index 338a071301..5f503d33a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@ BUG FIXES:
   * core: Local directory-based modules now use junctions instead of symbolic links on Windows [GH-5739]
   * core: Modules sourced from a Mercurial repository now work correctly on Windows [GH-5739]
   * core: Address some issues with ignore_changes [GH-5635]
+  * core: Add a lock to fix an interpolation issue caught by the Go 1.6 concurrent map access detector [GH-5772]
   * provider/aws: Fix crash when an `aws_rds_cluster_instance` is removed outside of Terraform [GH-5717]
   * provider/aws: `aws_cloudformation_stack` use `timeout_in_minutes` for retry timeout to prevent unecessary timeouts [GH-5712]
   * provider/aws: `aws_lambda_function` resources no longer error on refresh if deleted externally to Terraform [GH-5668]