Merge pull request mongodb#259 from nickmilon/patch-1

Update collection.py

Author: behackett

pymongo/collection.py

@@ -260,7 +260,7 @@ def with_options(
  >>> coll1.read_preference
  Primary()
  >>> from pymongo import ReadPreference
- >>> coll2 = coll.with_options(read_preference=ReadPreference.SECONDARY)
+ >>> coll2 = coll1.with_options(read_preference=ReadPreference.SECONDARY)
  >>> coll1.read_preference
  Primary()
  >>> coll2.read_preference