diff --git a/webrtc.html b/webrtc.html
index 953723bed..6d800cfce 100644
--- a/webrtc.html
+++ b/webrtc.html
@@ -1260,7 +1260,7 @@ <h4>Update the ICE connection state</h4>
         </section>
 
         <section>
-        <h4>Set the RTCSessionSessionDescription</h4>
+        <h4>Set the RTCSessionDescription</h4>
         <p>To <dfn id="set-description" data-lt=
         "set the RTCSessionDescription">set an RTCSessionDescription</dfn>
         <var>description</var> on an <code><a>RTCPeerConnection</a></code>