Improve maxAwaitTimeMS documentation for watch

Author: kvwalker

docs/includes/apiargs-MongoDBCollection-method-watch-option.yaml

@@ -22,9 +22,15 @@ interface: phpmethod
 operation: ~
 optional: true
 ---
-source:
-  file: apiargs-MongoDBCollection-method-find-option.yaml
-  ref: maxAwaitTimeMS
+arg_name: option
+name: maxAwaitTimeMS
+type: integer
+description: |
+  Positive integer denoting the time limit in milliseconds for the server to
+  block a getMore operation if no data is available.
+interface: phpmethod
+operation: ~
+optional: true
 ---
 source:
   file: apiargs-MongoDBCollection-common-option.yaml

docs/tutorial/tailable-cursor.txt

@@ -177,7 +177,6 @@ using :php:`IteratorIterator <iteratoriterator>`.
 
       $iterator->next();
    }
-}
 
 Much like the ``foreach`` example, this version on the consumer script will
 start by quickly printing all results in the capped collection; however, it will