REFACTOR [a vs an]

From /dev/humancontroller.

code/client/cl_main.c

@@ -3954,7 +3954,7 @@ int CL_ServerStatus( char *serverAddress, char *serverStatusString, int maxLen )
 
 	// if this server status request has the same address
 	if ( NET_CompareAdr( to, serverStatus->address) ) {
-		// if we recieved an response for this server status request
+		// if we received a response for this server status request
 		if (!serverStatus->pending) {
 			Q_strncpyz(serverStatusString, serverStatus->string, maxLen);
 			serverStatus->retrieved = qtrue;

code/client/snd_openal.c

@@ -491,7 +491,7 @@ sfxHandle_t S_AL_RegisterSound( const char *sample, qboolean compressed )
 =================
 S_AL_BufferGet
 
-Return's an sfx's buffer
+Return's a sfx's buffer
 =================
 */
 static