AudioEncoder: documentation fix

Follow-up to https://webrtc-codereview.appspot.com/38279004/

R=henrik.lundin@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/38309004

Cr-Commit-Position: refs/heads/master@{#8524}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8524 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/audio_coding/codecs/audio_encoder.h b/webrtc/modules/audio_coding/codecs/audio_encoder.h
index 08cf66f..738669d 100644
--- a/webrtc/modules/audio_coding/codecs/audio_encoder.h
+++ b/webrtc/modules/audio_coding/codecs/audio_encoder.h
@@ -57,7 +57,7 @@
   // Accepts one 10 ms block of input audio (i.e., sample_rate_hz() / 100 *
   // num_channels() samples). Multi-channel audio must be sample-interleaved.
   // The encoder produces zero or more bytes of output in |encoded|,
-  // and provides the number of encoded bytes in |encoded_bytes|.
+  // and provides additional encoding information in |info|.
   // The caller is responsible for making sure that |max_encoded_bytes| is
   // not smaller than the number of bytes actually produced by the encoder.
   void Encode(uint32_t rtp_timestamp,