Fix spelling mistake.

 *

 * After a client completes the first request, the client can keep the

 * connection open to send more requests with the same socket.  This can save

 * signifigant overhead in creating TCP connections.  However, the major

 * significant overhead in creating TCP connections.  However, the major

 * disadvantage is that Apache traditionally keeps an entire child

 * process/thread waiting for data from the client.  To solve this problem,

 * this MPM has a dedicated thread for handling both the Listenting sockets,

 * this MPM has a dedicated thread for handling both the Listening sockets,

 * and all sockets that are in a Keep Alive status.

 *

 * The MPM assumes the underlying apr_pollset implmentation is somewhat

 * enables the MPM to avoid extra high level locking or having to wake up the

 * listener thread when a keep-alive socket needs to be sent to it.

 *

 * This MPM not preform well on older platforms that do not have very good

 * This MPM does not perform well on older platforms that do not have very good

 * threading, like Linux with a 2.4 kernel, but this does not matter, since we

 * require EPoll or KQueue.

 *