diff --git a/docs/configuring-playbook-shared-secret-auth.md b/docs/configuring-playbook-shared-secret-auth.md
index 0ec60d2ea..af5d4c486 100644
--- a/docs/configuring-playbook-shared-secret-auth.md
+++ b/docs/configuring-playbook-shared-secret-auth.md
@@ -4,7 +4,7 @@ The playbook can install and configure [matrix-synapse-shared-secret-auth](https
 
 See that project's documentation to learn what it does and why it might be useful to you.
 
-If you decide that you'd like to let this playbook install it for you, you need some configuration like this:
+If you decide that you'd like to let this playbook install it for you, you need some configuration ( matrix-docker-ansible-deploy/roles/matrix-synapse/vars/main.yml ) like this:
 
 ```yaml
 matrix_synapse_ext_password_provider_shared_secret_auth_enabled: true