--- a/dom/media/PeerConnection.js
+++ b/dom/media/PeerConnection.js
@@ -294,17 +294,17 @@ class RTCStatsReport {
 
   // TODO: Remove legacy API eventually
   // see Bug 1328194
   //
   // Since maplike is recent, we still also make the stats available as legacy
   // enumerable read-only properties directly on our content-facing object.
   //
   // In addition, we warn on iteration over isRemote:true entries, which is set
-  // to break in Firefox 65.
+  // to break in Firefox 66.
   //
   // Must be called after our webidl sandwich is made.
 
   makeStatsPublic(warnNullable, warnRemoteNullable, isLegacy) {
     let legacyProps = {};
     for (let key in this._report) {
       const underlying = this._report[key];
       // Add legacy names for renamed stats
@@ -533,26 +533,26 @@ class RTCPeerConnection {
     this._pc = new this._win.PeerConnectionImpl();
     this._operationsChain = this._win.Promise.resolve();
 
     this.__DOM_IMPL__._innerObject = this;
     this._observer = new this._win.PeerConnectionObserver(this.__DOM_IMPL__);
 
     // Warn just once per PeerConnection about deprecated getStats usage.
     this._warnDeprecatedStatsAccessNullable = { warn: () =>
-      this.logWarning("non-maplike pc.getStats access is deprecated, and will be removed in the near future! " +
+      this.logWarning("non-maplike pc.getStats access is deprecated, and will be removed in Firefox 66! " +
                       "See http://w3c.github.io/webrtc-pc/#getstats-example for usage.") };
 
     this._warnDeprecatedStatsCallbacksNullable = { warn: () =>
-      this.logWarning("Callback-based pc.getStats is deprecated, and will be removed in the near future! Use promise-version! " +
+      this.logWarning("Callback-based pc.getStats is deprecated, and will be removed in Firefox 66! Use promise-version! " +
                       "See http://w3c.github.io/webrtc-pc/#getstats-example for usage.") };
 
     this._warnDeprecatedStatsRemoteAccessNullable = { warn: (key) =>
-      this.logWarning(`Detected soon-to-break getStats() use with key="${key}"! stat.isRemote goes away in Firefox 65, but won't warn there!\
- - See https://blog.mozilla.org/webrtc/getstats-isremote-65/`) };
+      this.logWarning(`Detected soon-to-break getStats() use with key="${key}"! stat.isRemote goes away in Firefox 66, but won't warn there!\
+ - See https://blog.mozilla.org/webrtc/getstats-isremote-66/`) };
 
     // Add a reference to the PeerConnection to global list (before init).
     _globalPCList.addPC(this);
 
     this._impl.initialize(this._observer, this._win, rtcConfig,
                           Services.tm.currentThread);
 
     this._certificateReady = this._initCertificate(rtcConfig.certificates);