spelling: successful

Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>

src/Model/Contact.php

@@ -239,7 +239,7 @@ class Contact
 	 * @param array         $condition  condition array with the key values
 	 * @param array|boolean $old_fields array with the old field values that are about to be replaced (true = update on duplicate, false = don't update identical fields)
 	 *
-	 * @return boolean was the update successfull?
+	 * @return boolean was the update successful?
 	 * @throws \Exception
 	 * @todo Let's get rid of boolean type of $old_fields
 	 */
@@ -1686,7 +1686,7 @@ class Contact
 	 * Unblocks a contact
 	 *
 	 * @param int $cid Contact id to unblock
-	 * @return bool Whether it was successfull
+	 * @return bool Whether it was successful
 	 */
 	public static function unblock(int $cid): bool
 	{

src/Model/GServer.php

@@ -327,7 +327,7 @@ class GServer
 			return DateTimeFormat::utc('now +1 month');
 		}
 
-		// The system hadn't been successul contacted for more than a month, so try again in three months
+		// The system hadn't been successful contacted for more than a month, so try again in three months
 		return DateTimeFormat::utc('now +3 month');
 	}
 

src/Model/Photo.php

@@ -536,7 +536,7 @@ class Photo
 	 * @param Image $image      Image to update. Optional, default null.
 	 * @param array $old_fields Array with the old field values that are about to be replaced (true = update on duplicate)
 	 *
-	 * @return boolean  Was the update successfull?
+	 * @return boolean  Was the update successful?
 	 *
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 * @see   \Friendica\Database\DBA::update

src/Model/User.php

@@ -1377,7 +1377,7 @@ class User
 	 * permanently against re-registration, as the person was not yet
 	 * allowed to have friends on this system
 	 *
-	 * @return bool True, if the deny was successfull
+	 * @return bool True, if the deny was successful
 	 * @throws Exception
 	 */
 	public static function deny(string $hash): bool