diff --git a/man2/cacheflush.2 b/man2/cacheflush.2
index 2cf624f3a..12be4c94a 100644
--- a/man2/cacheflush.2
+++ b/man2/cacheflush.2
@@ -27,9 +27,9 @@
 cacheflush \- flush contents of instruction and/or data cache
 .SH SYNOPSIS
 .nf
-.B #include <asm/cachectl.h>
+.B #inlcude <sys/cachectl.h>
 .PP
-.BI "int cacheflush(char *" addr ", int "nbytes ", int "cache );
+.BI "int cacheflush(void *" addr ", int "nbytes ", int "cache );
 .fi
 .PP
 .IR Note :