Corrected typos.

apps/calendar/ajax/share/share.php

@@ -13,7 +13,7 @@ switch($idtype){
 	case 'event':
 		break;
 	default:
-		OCP\JSON::error(array('message'=>'unexspected parameter'));
+		OCP\JSON::error(array('message'=>'unexpected parameter'));
 		exit;
 }
 if($idtype == 'calendar' && !OC_Calendar_App::getCalendar($id)){
@@ -32,7 +32,7 @@ switch($sharetype){
 	case 'public':
 		break;
 	default:
-		OCP\JSON::error(array('message'=>'unexspected parameter'));
+		OCP\JSON::error(array('message'=>'unexpected parameter'));
 		exit;
 }
 if($sharetype == 'user' && !OCP\User::userExists($sharewith)){
@@ -44,7 +44,7 @@ if($sharetype == 'group' && !OC_Group::groupExists($sharewith)){
 	exit;
 }
 if($sharetype == 'user' && OCP\USER::getUser() == $sharewith){
-	OCP\JSON::error(array('meesage'=>'you can not share with yourself'));
+	OCP\JSON::error(array('message'=>'you can not share with yourself'));
 }
 $success = OC_Calendar_Share::share(OCP\USER::getUser(), $sharewith, $sharetype, $id, (($idtype=='calendar') ? OC_Calendar_Share::CALENDAR : OC_Calendar_Share::EVENT));
 if($success){