clarify the algo source
diff --git a/src/lzp.c b/src/lzp.c
index f5ceceb..66c8a49 100644
--- a/src/lzp.c
+++ b/src/lzp.c
@@ -1,5 +1,6 @@
// Lempel Ziv Prediction code.
+// A heavily modified version of libbcm's LZP predictor. This one should have better single thread performance.
#include <memory.h>
#include <stdlib.h>
