diff --git a/src/components/structures/MessagePanel.js b/src/components/structures/MessagePanel.js
index e5cb38b267..ed65314890 100644
--- a/src/components/structures/MessagePanel.js
+++ b/src/components/structures/MessagePanel.js
@@ -305,8 +305,8 @@ module.exports = React.createClass({
                     }
                     summarisedEvents.push(collapsedMxEv);
                 }
-                // At this point, i = this.props.events.length OR i = the index of the first event
-                // to NOT be a MembershipChange after a sequence of MembershipChanges
+                // At this point, i = this.props.events.length OR i = the index of the last
+                // MembershipChange in a sequence of MembershipChanges
 
                 let renderEvents = (pEvent, events) => {
                     if (events.length === 0) {