Changed "Pepper Audio API Code Walkthrough" to "Pepper Audio API" as per Andy.

ppapi/c/ppb_audio.h

 /* Copyright (c) 2011 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
-/* From ppb_audio.idl modified Thu Aug 11 14:14:47 2011. */
+/* From ppb_audio.idl modified Tue Aug 16 10:08:09 2011. */
 
 #ifndef PPAPI_C_PPB_AUDIO_H_
 #define PPAPI_C_PPB_AUDIO_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_stdint.h"
 
@@ skipping 22 matching lines @@
  */
 
 /**
  * @addtogroup Interfaces
  * @{
  */
 /**
  * The <code>PPB_Audio</code> interface contains pointers to several functions
  * for handling audio resources. Please refer to the
  * <a href="/chrome/nativeclient/docs/audio.html">Pepper
- * Audio API Code Walkthrough</a> for information on using this interface.
+ * Audio API</a> for information on using this interface.
  * Please see descriptions for each <code>PPB_Audio</code> and
  * <code>PPB_AudioConfig</code> function for more details.
  *
  * A C example using PPB_Audio and PPB_AudioConfig:
  * @code
  * void audio_callback(void* sample_buffer,
  *                     uint32_t buffer_size_in_bytes,
  *                     void* user_data) {
  *   ... quickly fill in the buffer with samples and return to caller ...
  *  }
@@ skipping 84 matching lines @@
    * callback completes.
    */
   PP_Bool (*StopPlayback)(PP_Resource audio);
 };
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PPB_AUDIO_H_ */