diff --git a/lib/lzma.c b/lib/lzma.c
index 2f84a03335..ec0d00e766 100644
--- a/lib/lzma.c
+++ b/lib/lzma.c
@@ -1,8 +1,12 @@
 /* 
 
-coreboot interface to memory-saving variant of LZMA decoder
+Coreboot interface to memory-saving variant of LZMA decoder
+
 (C)opyright 2006 Carl-Daniel Hailfinger
-Released under the GNU GPL
+Released under the GNU GPL v2 or later
+
+Parts of this file are based on C/7zip/Compress/LZMA_C/LzmaTest.c from the LZMA
+SDK 4.42, which is written and distributed to public domain by Igor Pavlov.
 
 */