Misc doc block updates for Collection operations

src/Collection.php

@@ -580,7 +580,7 @@ class Collection
     /**
      * Return the collection namespace.
      *
-     * @see http://docs.mongodb.org/manual/faq/developers/#faq-dev-namespace
+     * @see https://docs.mongodb.org/manual/reference/glossary/#term-namespace
      * @return string
      */
     public function getNamespace()
@@ -691,7 +691,7 @@ class Collection
     /**
      * Updates at most one document matching the filter.
      *
-     * @see ReplaceOne::__construct() for supported options
+     * @see UpdateOne::__construct() for supported options
      * @see http://docs.mongodb.org/manual/reference/command/update/
      * @param array|object $filter  Query by which to filter documents
      * @param array|object $update  Update to apply to the matched document

src/Operation/BulkWrite.php

@@ -36,8 +36,8 @@ class BulkWrite implements Executable
      * Example array structure for all supported operation types:
      *
      *  [
-     *    [ 'deleteOne'  => [ $filter ] ],
      *    [ 'deleteMany' => [ $filter ] ],
+     *    [ 'deleteOne'  => [ $filter ] ],
      *    [ 'insertOne'  => [ $document ] ],
      *    [ 'replaceOne' => [ $filter, $replacement, $options ] ],
      *    [ 'updateMany' => [ $filter, $update, $options ] ],
@@ -46,7 +46,7 @@ class BulkWrite implements Executable
      *
      * Arguments correspond to the respective Operation classes; however, the
      * writeConcern option is specified for the top-level bulk write operation
-     * instead of each individual operations.
+     * instead of each individual operation.
      *
      * Supported options for replaceOne, updateMany, and updateOne operations:
      *

src/Operation/Find.php

@@ -2,6 +2,7 @@
 
 namespace MongoDB\Operation;
 
+use MongoDB\Driver\Cursor;
 use MongoDB\Driver\Query;
 use MongoDB\Driver\ReadConcern;
 use MongoDB\Driver\ReadPreference;