Updated changelog

Author: hwatkins05-hashicorp

CHANGELOG.md

@@ -1,7 +1,7 @@
 # Unreleased
 * Add support for HCP Terraform `/api/v2/workspaces/{external_id}/all-vars` API endpoint to fetch the list of all variables available to a workspace (include inherited variables from varsets) by @debrin-hc [#1105](https://github.com/hashicorp/go-tfe/pull/1105)
 
-* Adds BETA support for listing `StackDeploymentGroups`, which is EXPERIMENTAL, SUBJECT TO CHANGE, and may not be available to all users by @hwatkins05-hashicorp []()
+* Adds BETA support for listing `StackDeploymentGroups`, which is EXPERIMENTAL, SUBJECT TO CHANGE, and may not be available to all users by @hwatkins05-hashicorp [#1128](https://github.com/hashicorp/go-tfe/pull/1128)
 
 # v1.82.0