diff --git a/webrtc.html b/webrtc.html
index 21ad89665..9baa3aecb 100644
--- a/webrtc.html
+++ b/webrtc.html
@@ -5971,7 +5971,7 @@ <h2>Dictionary <dfn>RTCRtpCapabilities</dfn> Members</h2>
               <p>Supported media codecs as well as entries for RTX, RED and FEC
               mechanisms. There will only be a single entry in
               <code>codecs[]</code> for retransmission via RTX, with
-              <code>sdpFmtpLine</code> set to "".</p>
+              <code>sdpFmtpLine</code> not present.</p>
             </dd>
             <dt><dfn><code>headerExtensions</code></dfn> of type <span class=
             "idlMemberType">sequence&lt;<a>RTCRtpHeaderExtensionCapability</a>&gt;</span></dt>