Update the login schema docs.

docs/config.schema.json

@@ -2120,7 +2120,7 @@
           }
         },
         "forward_login_hint": {
-          "description": "Whether the login_hint should be forwarded to the provider in the authorization request.\n\nDefaults to `false`.",
+          "description": "Whether the `login_hint` should be forwarded to the provider in the authorization request.\n\nDefaults to `false`.",
           "default": false,
           "type": "boolean"
         }