--- Libc/Libc-583/string/memset.3
+++ Libc/Libc-498.1.7/string/memset.3
@@ -41,23 +41,27 @@
 .Os
 .Sh NAME
 .Nm memset
-.Nd fill a byte string with a byte value
+.Nd write a byte to a byte string
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
 .In string.h
 .Ft void *
-.Fn memset "void *b" "int c" "size_t len"
+.Fo memset
+.Fa "void *b"
+.Fa "int c"
+.Fa "size_t n"
+.Fc
 .Sh DESCRIPTION
 The
 .Fn memset
 function
 writes
-.Fa len
+.Fa n
 bytes of value
 .Fa c
-(converted to an unsigned char) to the byte string
-.Fa b .
+(converted to an unsigned char) to the string
+.Fa s .
 .Sh RETURN VALUES
 The
 .Fn memset