Apply suggestions from code review

Co-authored-by: Andreas Braun <[email protected]>

Author: GromNaN

UPGRADE-2.0.md

@@ -13,7 +13,7 @@ type changed to `void`. In case of an error, an exception is thrown.
  * `MongoDB\Client`: `dropDatabase`
  * `MongoDB\Collection`: `drop`, `dropIndex`, `dropIndexes`, `dropSearchIndex`, `rename`
  * `MongoDB\Database`: `createCollection`, `drop`, `dropCollection`, `modifyCollection`, `renameCollection`
- * `MongoDB\Database::createEncryptedCollection()` return the list of encrypted fields
+ * `MongoDB\Database::createEncryptedCollection()` returns the list of encrypted fields
 
 If you still need to access the raw command result, you can use a `CommandSubscriber`.
 

src/Operation/DropCollection.php

@@ -87,7 +87,7 @@ public function execute(Server $server): void
             $server->executeWriteCommand($this->databaseName, $this->createCommand(), $this->createOptions());
         } catch (CommandException $e) {
             /* The server may return an error if the collection does not exist.
-             * Ignore the exception to make the drop operation is idempotent */
+             * Ignore the exception to make the drop operation idempotent */
             if ($e->getCode() === self::ERROR_CODE_NAMESPACE_NOT_FOUND) {
                 return;
             }