Update index.html

Co-authored-by: Jan-Ivar Bruaroey <[email protected]>

Author: henbos

index.html

@@ -1459,7 +1459,7 @@ <h2>
       {{RTCRtpReceiver/getSynchronizationSources()}} or {{RTCRtpReceiver/getContributingSources()}} changes.
     </p>
     <p>
-      By listening to these events, apps can react more quickly to source changes than if they were polling
+      By listening to these events, apps can react to source changes than if they were polling
       these APIs, enabling the UX to be updated more quickly in response to virtual SSRCs changing which is
       a common way for apps to keep track of which participant's media is currently being played out.
     </p>