Use common param for $manager

docs/includes/apiargs-MongoDBDatabase-method-construct-param.yaml

 source:
-  file: apiargs-MongoDBCollection-method-construct-param.yaml
+  file: apiargs-common-param.yaml
   ref: $manager
 operation: MongoDB\\Database::__construct
 position: 1
@@ -11,8 +11,8 @@ operation: MongoDB\\Database::__construct
 position: 2
 ---
 source:
-  ref: $options
   file: apiargs-common-param.yaml
-operation: MongoDB\\Database::__construct
+  ref: $options
+operation: MongoDB\\Collection::__construct
 position: 3
 ...

docs/includes/apiargs-common-param.yaml

 arg_name: param
+name: $manager
+type: :php:`MongoDB\\Driver\\Manager <class.mongodb-driver-manager>`
+description: |
+  The :php:`Manager <mongodb-driver-manager>` instance from the driver. The
+  manager maintains connections between the driver and your MongoDB instances.
+interface: phpmethod
+operation: ~
+optional: false
+position: 1
+---
+arg_name: param
 name: $databaseName
 type: string
 description: |