diff --git a/cwMidiDecls.h b/cwMidiDecls.h
index 3400d66..9e456fb 100644
--- a/cwMidiDecls.h
+++ b/cwMidiDecls.h
@@ -16,7 +16,7 @@ namespace cw
 
     typedef struct packet_str
     {
-      void*         cbDataPtr; // Application supplied reference value from mdParserCreate()
+      void*         cbDataPtr; // Application supplied reference value
       unsigned      devIdx;    // The device the msg originated from
       unsigned      portIdx;   // The port index on the source device
       msg_t*        msgArray;  // Pointer to an array of 'msgCnt' mdMsg records or NULL if sysExMsg is non-NULL
diff --git a/cwMidiFile.h b/cwMidiFile.h
index 8e1ace9..602f03c 100644
--- a/cwMidiFile.h
+++ b/cwMidiFile.h
@@ -152,7 +152,7 @@ namespace cw
       const trackMsg_t* trackMsg( handle_t h, unsigned trackIdx );
 
       // Returns the total count of records in the midi file and the
-      // number in the array returned by cmMidiFileMsgArray(). 
+      // number in the array returned by msgArray(). 
       // Return kInvalidCnt if 'h' is invalid.
       unsigned msgCount( handle_t h );
 
@@ -221,7 +221,7 @@ namespace cw
 
       rc_t genCsvFile( const char* midiFn, const char* csvFn, bool printWarningsFl=true );
 
-      // Generate a text file reportusing cmMIdiFilePrintMsgs()
+      // Generate a text file report using printMsgs()
       rc_t report( const char* midiFn, log::handle_t logH );
 
       rc_t report_begin_end( const char* midiFn, unsigned msg_cnt=10, bool pitch_only_fl=true, log::handle_t logH=log::handle_t() );
diff --git a/cwThread.h b/cwThread.h
index 287dbc8..0346cb7 100644
--- a/cwThread.h
+++ b/cwThread.h
@@ -15,10 +15,12 @@ namespace cw
   
     typedef handle<struct thread_str> handle_t;
 
+    // Return false to indicate that the thread should terminate.
     typedef bool (*cbFunc_t)( void* arg );
 
     typedef  unsigned long long thread_id_t;
 
+    // The thread is in the 'paused' state after it is created.
     // stateMicros = total time out duration for switching to the  exit state or for switching in/out of pause state. 
     // pauseMicros = duration of thread sleep interval when in paused state.
     rc_t create( handle_t& hRef, cbFunc_t func, void* funcArg, int stateTimeOutMicros=100000, int pauseMicros=10000 );