diff --git a/stb_dxt.h b/stb_dxt.h
index 593a979..8326f07 100644
--- a/stb_dxt.h
+++ b/stb_dxt.h
@@ -20,7 +20,8 @@
 //   v1.00  - (stb) first release
 //
 // contributors: 
-//   Kevin Schmidt 
+//   Kevin Schmidt (#defines for "freestanding" compilation)
+//   github:ppiastucki (BC4 support)
 // 
 // LICENSE
 //