Fix warning message formatting in security SSO doc

Author: mishig25

docs/hub/security-sso.md

@@ -5,7 +5,7 @@ The Hugging Face Hub gives you the ability to implement mandatory Single Sign-On
 We support both SAML 2.0 and OpenID Connect (OIDC) protocols.
 
 > [!WARNING]
-> This feature is part of the <a href="https://huggingface.co/enterprise">Team & Enterprise</a> plans. For enhanced capabilities like automated user provisioning (JIT/SCIM) and global SSO enforcement, see our <a href="./enterprise-hub-advanced-sso">Advanced SSO documentation
+> This feature is part of the <a href="https://huggingface.co/enterprise">Team & Enterprise</a> plans. For enhanced capabilities like automated user provisioning (JIT/SCIM) and global SSO enforcement, see our <a href="./enterprise-hub-advanced-sso">Advanced SSO documentation</a>
 
 ## How does it work?