Merge pull request realpython#75 from kuyanatan/master

Tuned a todo typo.

Author: Kenneth Reitz

docs/scenarios/web.rst

@@ -78,7 +78,7 @@ flask@librelist.com and reply to the confirmation email.
 Pyramid
 -------
 
-.. todo:: Explian Pyramid
+.. todo:: Explain Pyramid
 
 Web.py
 ------