DOC: Fix typo in comment.

IPython/html/__init__.py

@@ -1,25 +1,25 b''
 """The IPython HTML Notebook"""
 
 import os
 # Packagers: modify this line if you store the notebook static files elsewhere
 DEFAULT_STATIC_FILES_PATH = os.path.join(os.path.dirname(__file__), "static")
 
 # Packagers: modify the next line if you store the notebook template files
 # elsewhere
 
 # Include both IPython/html/ and IPython/html/templates/.  This makes it
 # possible for users to override a template with a file that inherits from that
 # template.
 #
 # For example, if you want to override a specific block of notebook.html, you
-# can create a file called notebook.html that inherits from from
+# can create a file called notebook.html that inherits from
 # templates/notebook.html, and the latter will resolve correctly to the base
 # implementation.
 DEFAULT_TEMPLATE_PATH_LIST = [
     os.path.dirname(__file__),
     os.path.join(os.path.dirname(__file__), "templates"),
 ]
 
 del os
 
 from .nbextensions import install_nbextension