Add missing semicolons

docs/reference/method/MongoDBCollection-findOne.txt

@@ -68,7 +68,7 @@ special BSON type, the query criteria for selecting a restaurant must use the
 
    $restaurant = $database->restaurants->findOne([
        '_id' => new MongoDB\BSON\ObjectID('594d5ef280a846852a4b3f70'),
-   ])
+   ]);
 
 Projecting Fields
 ~~~~~~~~~~~~~~~~~

docs/reference/method/MongoDBCollection-findOneAndReplace.txt

@@ -113,7 +113,7 @@ The following operation replaces the document with ``restaurant_id`` of
        [ 'returnDocument' => MongoDB\Operation\FindOneAndReplace::RETURN_DOCUMENT_AFTER ]
    );
 
-   var_dump($replacedRestaurant)
+   var_dump($replacedRestaurant);
 
 The output would then resemble::
 

docs/reference/method/MongoDBCollection-findOneAndUpdate.txt

@@ -72,7 +72,7 @@ setting its building number to ``"761"``:
        ]
    );
 
-   var_dump($updatedRestaurant)
+   var_dump($updatedRestaurant);
 
 The output would then resemble::