diff --git a/code/M3Importer.h b/code/M3Importer.h
index 7b9441ec5..843decdc8 100644
--- a/code/M3Importer.h
+++ b/code/M3Importer.h
@@ -46,6 +46,10 @@ namespace Assimp {
 
 namespace M3 {
 
+// ------------------------------------------------------------------------------------------------
+// The following data definitions are from http://code.google.com/p/libm3/, many thanks for that 
+// help.
+// ------------------------------------------------------------------------------------------------
 typedef unsigned char uint8;
 typedef char int8;
 typedef unsigned short uint16;