formatting cleanup of both command and method

Author: Ed Costello

source/reference/command/renameCollection.txt

@@ -29,7 +29,7 @@ renameCollection
 
       Specifies the new namespace of the collection.
 
-   :param boolean dropTarget: If ``true``, :program:`mongod` will drop the `target` of :dbcommand:`renameCollection` prior to renaming the collection.
+   :param boolean,optional dropTarget: If ``true``, :program:`mongod` will drop the `target` of :dbcommand:`renameCollection` prior to renaming the collection.
 
    :exception 10026:
 

source/reference/method/db.collection.renameCollection.txt

@@ -4,12 +4,11 @@ db.collection.renameCollection()
 
 .. default-domain:: mongodb
 
-.. method:: db.collection.renameCollection( target [,dropTarget: true])
+.. method:: db.collection.renameCollection()
 
-   :param string name: Specifies the new name of the
-                       collection. Enclose the string in quotes.
+   :param string target: Specifies the new name of the collection. Enclose the string in quotes.
 
-   :param boolean dropTarget: If ``true``, :program:`mongod` will drop the `target` of :dbcommand:`renameCollection` prior to renaming the collection.
+   :param boolean,optional dropTarget: If ``true``, :program:`mongod` will drop the `target` of :dbcommand:`renameCollection` prior to renaming the collection.
 
    Call the :method:`db.collection.renameCollection()` method on a collection
    object, to rename a collection. Specify the new name of the
@@ -37,11 +36,11 @@ db.collection.renameCollection()
 
    .. warning::
 
-      The :method:``db.collection.renameCollection()`` method and
+      The :method:`db.collection.renameCollection()` method and
       :dbcommand:`renameCollection` command will invalidate open 
       cursors which will interrupt queries that are currently returning data.
 
    .. warning:: 
 
-      You cannot use :method:``db.collection.renameCollection()`` or
-      :dbcommand:``renameCollection`` with sharded collections.
+      You cannot use :method:`db.collection.renameCollection()` or
+      :dbcommand:`renameCollection` with sharded collections.