s/local socket/IPC/

doc/man/man5/ldap.conf.5

@@ -88,18 +88,19 @@ library should connect.  The URI scheme may be any of
 or
 .BR ldapi ,
 which refer to LDAP over TCP, LDAP over SSL (TLS) and LDAP
-over local sockets, respectively.
+over IPC (UNIX domain sockets), respectively.
 Each server's name can be specified as a
 domain-style name or an IP address literal.  Optionally, the
 server's name can followed by a ':' and the port number the LDAP
 server is listening on.  If no port number is provided, the default
 port for the scheme is used (389 for ldap://, 636 for ldaps://).
-For LDAP over local sockets,
+For LDAP over IPC,
 .B name 
 is the name of the socket, and no
 .B port
-is allowed; note that directory separators must be URL-encoded,
-like any other characters that are special to URLs; so the socket
+is required, nor allowed; note that directory separators must be 
+URL-encoded, like any other characters that are special to URLs; 
+so the socket
 
 	/usr/local/var/ldapi