Addressed Phil's last round of comments.
diff --git a/samples/drumthumper/README.md b/samples/drumthumper/README.md
index a5e2e69..1e65868 100644
--- a/samples/drumthumper/README.md
+++ b/samples/drumthumper/README.md
@@ -28,12 +28,12 @@
To keep things simple, **DrumThumper** specifically does not:
* Does not support audio samples in other than 16-bit, mono PCM Samples. It does not support Stereo or different PCM formats.
-* Does not support for non-WAV audio data (such as AIFF).
-* Does not support for compressed audio data.
+* Does not support non-WAV audio data (such as AIFF).
+* Does not support compressed audio data.
**DrumThumper** now supports different sample rates for the source samples.
-If an one wanted to extend **DrumThumper** to support Stereo samples:
+If one wanted to extend **DrumThumper** to support Stereo samples:
* The SampleSource class would need to be extended to understand Stereo SampleBuffer objects, it currently assumes Mono.
* The OneShotSampleSource.mixAudio() method would need to have separate mixing logic for Stereo and Mono SampleSource.