Small typo in decorator

Author: berkos

decorator.md

@@ -4,7 +4,7 @@
 We need to vary the responsibilities of an object, adding some features.
 
 ## Solution
-In the **Decorator** pattern we create an object that wraps the real one, and implemente the same interface and forwarding method calls. However, before delegating to the real object, it performs the additional feature. Since all decorators implement the same core interface, we can build chains of decorators and assemble a combination of features at runtime. 
+In the **Decorator** pattern we create an object that wraps the real one, and implements the same interface and forwarding method calls. However, before delegating to the real object, it performs the additional feature. Since all decorators implement the same core interface, we can build chains of decorators and assemble a combination of features at runtime. 
 
 ## Example
 Below is an implementation of an object that simply writes a text line to a file: