--- Libc/Libc-763.13/string/FreeBSD/strspn.3
+++ Libc/Libc-825.26/string/FreeBSD/strspn.3
@@ -43,23 +43,26 @@
 .Sh SYNOPSIS
 .In string.h
 .Ft size_t
-.Fn strspn "const char *s" "const char *charset"
+.Fo strspn
+.Fa "const char *s1"
+.Fa "const char *s2"
+.Fc
 .Sh DESCRIPTION
 The
 .Fn strspn
 function
 spans the initial part of the null-terminated string
-.Fa s
+.Fa s1 ,
 as long as the characters from
-.Fa s
+.Fa s1
 occur in the null-terminated string
-.Fa charset .
+.Fa s2 .
 In other words, it computes the string array index in
-.Fa s
+.Fa s1
 of the first character of
-.Fa s
+.Fa s1
 which is not in
-.Fa charset ,
+.Fa s2 ,
 else the index of the first null character.
 .Sh RETURN VALUES
 The