Cleanup

src/crc16.cpp

@@ -1,7 +1,7 @@
 #include "tinycrc.h"
 
 /*
-    CRC16
+    CRC16 (from https://stackoverflow.com/questions/10564491/function-to-calculate-a-crc16-checksum)
 */
 
 uint16_t tinycrc_crc16(const uint8_t *data, uint16_t size)
@@ -19,4 +19,4 @@ uint16_t tinycrc_crc16(const uint8_t *data, uint16_t size)
         crc = (crc << 8) ^ ((unsigned short)(x << 12)) ^ ((unsigned short)(x <<5)) ^ ((unsigned short)x);
     }
     return crc & 0xFFFF;
-}
+}