(set-pers-flags): Fix sectioning error.

doc/Protocol-A.texi

@@ -2,7 +2,7 @@
 @c
 @c FIXME: Explain how the garb works with nice and keep-commented
 @c
-@c $Id: Protocol-A.texi,v 1.77 1999/06/25 16:23:44 ceder Exp $
+@c $Id: Protocol-A.texi,v 1.78 1999/06/25 16:24:19 ceder Exp $
 @c %**start of header
 @setfilename protocol-a.info
 @settitle LysKOM Protocol A
@@ -7630,7 +7630,7 @@ complete the call anyway.
 Set the flags field of person @code{pers-no} to @code{flags}. This call
 can only be issued by the person supervisor or a privileged user.
 
-@unnumberedsubsubsec Error Codes
+@unnumberedsubsec Error Codes
 
 @table @code
 @item login-first