Merge pull request #519

Author: kvwalker

source/includes/apiargs-MongoDBCollection-method-dropIndex-param.yaml

@@ -1,10 +1,10 @@
 arg_name: param
 name: $indexName
-type: string
+type: string| :phpclass:`MongoDB\\Model\\IndexInfo`
 description: |
-  The name of the index to drop. View the existing indexes on the collection
-  using the :phpmethod:`listIndexes() <MongoDB\\Collection::listIndexes>`
-  method.
+  The name or model object of the index to drop. View the existing indexes on
+  the collection using the :phpmethod:`listIndexes()
+  <MongoDB\\Collection::listIndexes>` method.
 interface: phpmethod
 operation: ~
 optional: false