diff --git a/CHANGELOG.md b/CHANGELOG.md
index c1d86b74a..75b6cc33c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 BACKWARDS INCOMPATIBILITIES:
   * core: Improved restart policy with more user configuration [GH-594]
   * core/cli: Print short identifiers [GH-675]
+  * core/jobspec: Variables/constraints interpreted using ${} notation [GH-675]
   * client: Environment variable containing address for each allocated port
     [GH-704]
   * client: Extract artifacts into the root of the task directory [GH-756]