diff --git a/README.md b/README.md
index 656553a..14fe36e 100644
--- a/README.md
+++ b/README.md
@@ -186,7 +186,7 @@ locals {
     "support.amazonaws.com:RefreshTrustedAdvisorCheck",
     "support.amazonaws.com:ResolveCase",
 
-    "grafana.amazonaws.com:login-auth.sso",
+    "grafana.amazonaws.com:login_auth_sso",
   ]
 }
 ```
diff --git a/excluded_scoped_actions.tf b/excluded_scoped_actions.tf
index 02bbe54..0a1fca5 100644
--- a/excluded_scoped_actions.tf
+++ b/excluded_scoped_actions.tf
@@ -62,6 +62,6 @@ locals {
     "support.amazonaws.com:RefreshTrustedAdvisorCheck",
     "support.amazonaws.com:ResolveCase",
 
-    "grafana.amazonaws.com:login-auth.sso",
+    "grafana.amazonaws.com:login_auth_sso",
   ]
 }