Merge pull request #247 from vhf/patch-1

Typo fix

Author: Waylan Limberg

docs/extensions/api.txt

@@ -140,7 +140,7 @@ object) and returns either that root element or a modified root element.
 
 A pseudo example:
 
- from markdown.treprocessors import Treeprocessor
+ from markdown.treeprocessors import Treeprocessor
 
  class MyTreeprocessor(Treeprocessor):
  def run(self, root):