diff --git a/src/native/common/fmod3/extfmod3.cpp b/src/native/common/fmod3/extfmod3.cpp
index cebb2226..8bc3124a 100644
--- a/src/native/common/fmod3/extfmod3.cpp
+++ b/src/native/common/fmod3/extfmod3.cpp
@@ -78,15 +78,20 @@ BOOL WINAPI DllMain( HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
  * @param path path to try to load dll
  */
 void fmod_create(JNIEnv *env, char* path) {
+  // try to create an instance using the supplied path
   fmod_instance = FMOD_CreateInstance(path);
   
+  // if we got one, we need to locate and cache jni stuff used for callbacks
   if (fmod_instance != NULL) {
+    
+    // fmusic specific callbacks
     fmusic = env->FindClass("org/lwjgl/fmod3/FMusic");
     music_instcallback = env->GetStaticMethodID(fmusic, "music_instcallback", "(JI)V");
     music_ordercallback = env->GetStaticMethodID(fmusic, "music_ordercallback", "(JI)V");
     music_rowcallback = env->GetStaticMethodID(fmusic, "music_rowcallback", "(JI)V");
     music_zxxcallback = env->GetStaticMethodID(fmusic, "music_zxxcallback", "(JI)V");
 		
+    // fsound specefic callbacks
 		fsound = env->FindClass("org/lwjgl/fmod3/FSound");
 		sound_dspcallback = env->GetStaticMethodID(fsound, "dsp_callback", "(JLjava/nio/ByteBuffer;Ljava/nio/ByteBuffer;I)Ljava/nio/ByteBuffer;");
 		sound_stream_endcallback = env->GetStaticMethodID(fsound, "end_callback", "(J)V");
@@ -94,7 +99,8 @@ void fmod_create(JNIEnv *env, char* path) {
 		sound_stream_callback = env->GetStaticMethodID(fsound, "stream_callback", "(JLjava/nio/ByteBuffer;I)V");
 		sound_metadata_callback = env->GetStaticMethodID(fsound, "meta_callback", "(JLjava/nio/ByteBuffer;Ljava/nio/ByteBuffer;)V");
 		
-		// cache some data
+		// we need the size of the mix buffer, so we start out by caching it and
+		// update it accordingly on changes
 		switch(fmod_instance->FSOUND_GetMixer()) {
 			case FSOUND_MIXER_AUTODETECT:
 			case FSOUND_MIXER_BLENDMODE:
diff --git a/src/native/common/fmod3/extfmod3.h b/src/native/common/fmod3/extfmod3.h
index 6b3c5e5c..097310c3 100644
--- a/src/native/common/fmod3/extfmod3.h
+++ b/src/native/common/fmod3/extfmod3.h
@@ -39,19 +39,23 @@
 #include "fmoddyn.h"
 #include "fmod_errors.h"
 
+// Called to create an FMOD instance
 void fmod_create(JNIEnv *env, char*);
+
+// Called to destroy our FMOD instance
 void fmod_destroy();
 
-extern void attachMixerThread();
-extern void attachStreamThread();
+// Actual FMOD instance to invoke methods on
 extern FMOD_INSTANCE * fmod_instance;
 
 // Setup for callback. The callbacks don't have access to a JNIEnv pointer, so we have to provide
-// one. Unfortunately we cannot cache one, since JNIEnv er thread local copies. We can however
+// one. Unfortunately we cannot cache one, since JNIEnv are thread local copies. We can however
 // aquire one, using AttachCurrent<ThreadAsDaemon>. However we need a VM instance for that.
 // so we supply 1 VM instance for use by threads (in common_tools) (VM instances are shared across threads), and
 // 1 JNIEnv pointer per thread. At this time, 2 threads have been identified - the Stream thread
-// and the mixer thread.
+// and the Mixer thread.
+extern void attachMixerThread();
+extern void attachStreamThread();
 extern JNIEnv *mixer_jnienv;
 extern JNIEnv *stream_jnienv;