docs: small changes.

doc/api/http.markdown

@@ -759,7 +759,7 @@ The response trailers object. Only populated after the 'end' event.
 
 Set the encoding for the response body. Either `'utf8'`, `'ascii'`, or
 `'base64'`. Defaults to `null`, which means that the `'data'` event will emit
-a `Buffer` object..
+a `Buffer` object.
 
 ### response.pause()
 

doc/api/net.markdown

@@ -131,9 +131,10 @@ would be to wait a second and then try again. This can be done with
 
 Start a UNIX socket server listening for connections on the given `path`.
 
-This function is asynchronous. The last parameter `listeningListener` will be
+This function is asynchronous.  When the server has been bound,
-called when the server has been bound.
+['listening'](#event_listening_) event will be emitted.
-See also ['listening'](#event_listening_) event.
+the last parameter `listeningListener` will be added as an listener for the
+['listening'](#event_listening_) event.
 
 #### server.pause(msecs)
 

doc/api/tls.markdown

@@ -237,7 +237,7 @@ server, you unauthorized connections may be accepted.
 SNI.
 
 
-### Event: 'clientError'
+#### Event: 'clientError'
 
 `function (exception) { }`