diff --git a/docs/sources/setup-grafana/configure-security/configure-authentication/github.md b/docs/sources/setup-grafana/configure-security/configure-authentication/github.md
index c1bcdd4aa09..39f769f87e1 100644
--- a/docs/sources/setup-grafana/configure-security/configure-authentication/github.md
+++ b/docs/sources/setup-grafana/configure-security/configure-authentication/github.md
@@ -60,6 +60,8 @@ You may allow users to sign-up via GitHub authentication by setting the
 user successfully authenticating via GitHub authentication will be
 automatically signed up.
 
+You can also use [variable expansion]({{< relref "../../configure-grafana/#variable-expansion" >}}) to reference environment variables and local files in your GitHub auth configuration.
+
 ### team_ids
 
 Require an active team membership for at least one of the given teams on