diff --git a/config/locales/server.en.yml b/config/locales/server.en.yml
index 9b07943b2cd..9178734957d 100644
--- a/config/locales/server.en.yml
+++ b/config/locales/server.en.yml
@@ -780,7 +780,7 @@ en:
     min_password_length: "Minimum password length."
     block_common_passwords: "Don't allow passwords that are in the 10,000 most common passwords."
 
-    enable_sso: "Enable single sign on via an external site (Note: disables invites)"
+    enable_sso: "Enable single sign on via an external site (WARNING: can prevent anyone from logging in if not properly configured when enabled; also disables invites)"
     enable_sso_provider: "Implement Discourse SSO protocol at the /session/sso_provider endpoint, requires sso_secret to be set"
     sso_url: "URL of single sign on endpoint"
     sso_secret: "Secret string used to encrypt/decrypt SSO information, be sure it is 10 chars or longer"