diff --git a/libsrc/common/lz4.s b/libsrc/common/lz4.s
index 4901d1a3c..a750f4bf8 100644
--- a/libsrc/common/lz4.s
+++ b/libsrc/common/lz4.s
@@ -2,6 +2,9 @@
 ; Lauri Kasanen, 6 Jun 2017
 ; (C) Mega Cat Studios
 ; An optimized LZ4 decompressor
+;
+; Almost 7 times faster, uses no RAM (vs 14 bytes BSS), and takes 1/4 the space
+; vs the official C source.
 ;
 
         .importzp       sp, sreg, regsave, regbank