man: s_server: fix text repetition in -alpn description
@@ -672,7 +672,7 @@ disabling the ephemeral DH cipher suites.
=item B<-alpn> I<val>, B<-nextprotoneg> I<val>
-These flags enable the Enable the Application-Layer Protocol Negotiation
+These flags enable the Application-Layer Protocol Negotiation
or Next Protocol Negotiation (NPN) extension, respectively. ALPN is the
IETF standard and replaces NPN.
The I<val> list is a comma-separated list of supported protocol
