chore: fix typos in comment (#2806)

Author: stayweek

docs/retrieve.txt

@@ -393,7 +393,7 @@ documents.
             Runtime: 95
             IMDB Rating: 4
             IMDB Votes: 9296
-            Plot: A sci-fi update of the famous 6th Century poem. In a beseiged land, Beowulf must
+            Plot: A sci-fi update of the famous 6th Century poem. In a besieged land, Beowulf must
             battle against the hideous creature Grendel and his vengeance seeking mother.
 
 .. _laravel-retrieve-one:

tests/RelationsTest.php

@@ -279,7 +279,7 @@ public function testBelongsToManyAttachesExistingModels(): void
 
         $user = User::with('clients')->find($user->_id);
 
-        // Assert non attached ID's are detached succesfully
+        // Assert non attached ID's are detached successfully
         $this->assertNotContains('1234523', $user->client_ids);
 
         // Assert there are two client objects in the relationship