faif#184 - Correcting typos in the description of the Decorator pattern

Author: mshcruz

structural/decorator.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 """
 *What is this pattern about?
-The Decorator pattern is used to dinamically add a new feature to an
+The Decorator pattern is used to dynamically add a new feature to an
 object without changing its implementation. It differs from
 inheritance because the new feature is added only to that particular
 object, not to the entire subclass.
@@ -11,7 +11,7 @@
 italic) to a text by appending the corresponding tags (<b> and
 <i>). Also, we can see that decorators can be applied one after the other,
 since the original text is passed to the bold wrapper, which in turn
-is passsed to the italic wrapper.
+is passed to the italic wrapper.
 
 *Where is the pattern used practically?
 The Grok framework uses decorators to add functionalities to methods,