--- a/dom/media/MediaFormatReader.h
+++ b/dom/media/MediaFormatReader.h
@@ -301,21 +301,20 @@ private:
 
     // MediaDataDecoder handler's variables.
     // Decoder initialization promise holder.
     MozPromiseRequestHolder<MediaDataDecoder::InitPromise> mInitPromise;
     // False when decoder is created. True when decoder Init() promise is resolved.
     bool mDecoderInitialized;
     bool mOutputRequested;
     // Set to true once the MediaDataDecoder has been fed a compressed sample.
-    // No more sample will be passed to the decoder while true.
+    // No more samples will be passed to the decoder while true.
     // mDecodePending is reset when:
-    // 1- The decoder returns a sample
-    // 2- The decoder calls InputExhausted
-    // 3- The decoder is Flushed or Reset.
+    // 1- The decoder calls InputExhausted
+    // 2- The decoder is Flushed or Reset.
     bool mDecodePending;
     bool mNeedDraining;
     bool mDraining;
     bool mDrainComplete;
 
     bool HasPendingDrain() const
     {
       return mDraining || mDrainComplete;