--- Libc/Libc-1044.10.1/string/FreeBSD/bcmp.3
+++ Libc/Libc-763.13/string/FreeBSD/bcmp.3
@@ -41,18 +41,18 @@
 .Sh SYNOPSIS
 .In strings.h
 .Ft int
-.Fn bcmp "const void *s1" "const void *s2" "size_t n"
+.Fn bcmp "const void *b1" "const void *b2" "size_t len"
 .Sh DESCRIPTION
 The
 .Fn bcmp
 function
 compares byte string
-.Fa s1
+.Fa b1
 against byte string
-.Fa s2 ,
+.Fa b2 ,
 returning zero if they are identical, non-zero otherwise.
 Both strings are assumed to be
-.Fa n
+.Fa len
 bytes long.
 Zero-length strings are always identical.
 .Pp