1 files changed, 8 insertions, 1 deletions
diff --git a/src/core/ngx_crc.h b/src/core/ngx_crc.h
index c6234c37a..208001d48 100644
--- a/src/core/ngx_crc.h
+++ b/src/core/ngx_crc.h
@@ -1,3 +1,9 @@
+
+/*
+ * Copyright (C) 2002-2004 Igor Sysoev
+ */
+
+
 #ifndef _NGX_CRC_H_INCLUDED_
 #define _NGX_CRC_H_INCLUDED_
 
@@ -9,9 +15,10 @@ ngx_inline static uint32_t ngx_crc(char *data, size_t len)
     uint32_t  sum;
 
     for (sum = 0; len; len--) {
+
         /*
          * gcc 2.95.2 x86 and icc 7.1.006 compile that operator
-         *                                into the single rol opcode.
+         *                                into the single "rol" opcode.
          * msvc 6.0sp2 compiles it into four opcodes.
          */
         sum = sum >> 1 | sum << 31;