-<p> The protocols of the transport layer provide message transfer services
-which are on one hand independent of the underlying network type,
-and on the other hand independent of the application. Different
-network services on running on the same host are distinguished by
-<em> port numbers</em>, which are 16 bit identifiers. Several well
+<p> The protocols of the transport layer provide message transfer
+services which are on one hand independent of the underlying network
+type, and on the other hand independent of the application. Different
+network services running on the same host are distinguished by
+<em>port numbers</em>, which are 16 bit identifiers. Several well