diff --git a/src/aks-preview/HISTORY.rst b/src/aks-preview/HISTORY.rst
index ed788479de0..b8d168f5976 100644
--- a/src/aks-preview/HISTORY.rst
+++ b/src/aks-preview/HISTORY.rst
@@ -14,7 +14,7 @@ Pending
 
 7.0.0b1
 ++++++++
-* [Breaking Change]: Remove support for `az aks get-os-options` command.
+* [BREAKING CHANGE]: Remove support for `az aks get-os-options` command.
 
 6.0.0b1
 ++++++++