diff --git a/grafana/README.md b/grafana/README.md
index 50a01925..47e02c52 100644
--- a/grafana/README.md
+++ b/grafana/README.md
@@ -37,6 +37,7 @@ dokku config:set grafana GF_DATABASE_PASSWORD="xxx"
 dokku config:set grafana GF_DATABASE_SSL_MODE="require"
 dokku config:set grafana GF_SERVER_ROOT_URL="https://dashboards.opensafely.org/"
 dokku config:set grafana GF_INSTALL_PLUGINS="grafana-github-datasource"
+dokku config:set grafana GF_FEATURE_TOGGLES_ENABLE="publicDashboards"
 ```
 
 ## Letsencrypt