Handbook: Fix some typos

- "ApacheHTTPD" -> "Apache HTTPD"
- theDNS -> "the DNS"
- example in rc.conf: lapd_enable -> slapd_enable

PR:     253458
Reported by:    Ceri Davies <ceri at submonkey dot net>

documentation/content/en/books/handbook/mail/_index.adoc

@@ -472,7 +472,7 @@ When configuring a MTA for a network, any mail sent to hosts in its domain shoul
 
 To make life easiest, a user account with the same _username_ should exist on both the MTA and the system with the MUA. Use man:adduser[8] to create the user accounts.
 
-The MTA must be the designated mail exchanger for each workstation on the network. This is done in theDNS configuration with an MX record:
+The MTA must be the designated mail exchanger for each workstation on the network. This is done in the DNS configuration with an MX record:
 
 [.programlisting]
 ....

documentation/content/en/books/handbook/network-servers/_index.adoc

@@ -54,7 +54,7 @@ By the end of this chapter, readers will know:
 * How to set FreeBSD up to act as an LDAP server or client
 * How to set up automatic network settings using DHCP.
 * How to set up a Domain Name Server (DNS).
-* How to set up the ApacheHTTP Server.
+* How to set up the Apache HTTP Server.
 * How to set up a File Transfer Protocol (FTP) server.
 * How to set up a file and print server for Windows(R) clients using Samba.
 * How to synchronize the time and date, and set up a time server using the Network Time Protocol (NTP).
@@ -1380,7 +1380,7 @@ If [.filename]#slapd# was running, restart it. As stated in [.filename]#/usr/loc
 
 [.programlisting]
 ....
-lapd_enable="YES"
+slapd_enable="YES"
 slapd_flags='-h "ldapi://%2fvar%2frun%2fopenldap%2fldapi/
 ldap://0.0.0.0/"'
 slapd_sockets="/var/run/openldap/ldapi"