Update CHANGELOG.md

CHANGELOG.md

@@ -10,6 +10,7 @@ BUG FIXES:
   * core: `min_packer_version`  field in configs work [GH-2356]
   * core: The `build_name` and `build_type` functions work in provisioners [GH-2367]
   * builder/amazon: Fix issue with sharing AMIs when using `ami_users` [GH-2308]
+  * builder/amazon: Fix issue when using multiple Security Groups [GH-2381]
   * builder/amazon: Fix for tag creation when creating new ec2 instance [GH-2317]
   * builder/amazon: Fix issue with creating AMIs with multiple device mappings [GH-2320]
   * builder/amazon: Fix failing AMI snapshot tagging when copying to other