diff --git a/CHANGELOG.md b/CHANGELOG.md
index b8ef7ab43..849828e50 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -40,6 +40,7 @@ BUG FIXES:
  * provider/openstack: Reassociate Floating IP on network changes [GH-6579]
  * provider/vsphere: `gateway` and `ipv6_gateway` are now read from `vsphere_virtual_machine` resources [GH-6522]
  * provider/vsphere: `ipv*_gateway` parameters won't force a new `vsphere_virtual_machine` [GH-6635]
+ * provider/azurerm: Normalizes `availability_set_id` casing to avoid spurious diffs in `azurerm_virtual_machine` [GH-6768]
 
 ## 0.6.16 (May 9, 2016)