diff --git a/src/Lifecycle.js b/src/Lifecycle.js
index d91b49ad7c..3bf52b6cf2 100644
--- a/src/Lifecycle.js
+++ b/src/Lifecycle.js
@@ -23,11 +23,7 @@ import utils from 'matrix-js-sdk/lib/utils';
 
 /**
  * Transitions to a logged-in state using the given credentials
- * @param {string} credentials.homeserverUrl The base HS URL
- * @param {string} credentials.identityServerUrl The base IS URL
- * @param {string} credentials.userId The full Matrix User ID
- * @param {string} credentials.accessToken The session access token
- * @param {boolean} credentials.guest True if the session is a guest session
+ * @param {MatrixClientCreds} credentials The credentials to use
  */
 function setLoggedIn(credentials) {
     credentials.guest = Boolean(credentials.guest);