Add resampler comments and fix a typo

Change-Id: Ie071673875f663de4212eed4a4dff89d51a5a915
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 99e077c..711b62f 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -1714,7 +1714,7 @@
         AudioStreamIn *input = new AudioStreamIn(inHwDev, inStream);
 
         // Start record thread
-        // RecorThread require both input and output device indication to forward to audio
+        // RecordThread requires both input and output device indication to forward to audio
         // pre processing modules
         thread = new RecordThread(this,
                                   input,