1 files changed, 6 insertions, 0 deletions
diff --git a/src/crc.c b/src/crc.c
index 513622a09..412252347 100644
--- a/src/crc.c
+++ b/src/crc.c
@@ -1,3 +1,9 @@
+/*
+** crc.c - calculate CRC
+** 
+** See Copyright Notice in mruby.h
+*/
+
 #include <limits.h>
 #include <stdint.h>
 // Calculate CRC (CRC-16-CCITT)