Use headings instead of bold text in index.md #238

adapter/index.md

@@ -10,24 +10,27 @@ tags:
  - Difficulty-Beginner
 ---
 
-**Also known as:** Wrapper
+## Also known as
+Wrapper
 
-**Intent:** Convert the interface of a class into another interface the clients
+## Intent
+Convert the interface of a class into another interface the clients
 expect. Adapter lets classes work together that couldn't otherwise because of
 incompatible interfaces.
 
 ![alt text](./etc/adapter.png "Adapter")
 
-**Applicability:** Use the Adapter pattern when
+## Applicability
+Use the Adapter pattern when
 
 * you want to use an existing class, and its interface does not match the one you need
 * you want to create a reusable class that cooperates with unrelated or unforeseen classes, that is, classes that don't necessarily have compatible interfaces
 * you need to use several existing subclasses, but it's impractical to adapt their interface by subclassing every one. An object adapter can adapt the interface of its parent class.
 
-**Real world examples:**
+## Real world examples
 
 * [java.util.Arrays#asList()](http://docs.oracle.com/javase/8/docs/api/java/util/Arrays.html#asList%28T...%29)
 
-**Credits**
+## Credits
 
 * [Design Patterns: Elements of Reusable Object-Oriented Software](http://www.amazon.com/Design-Patterns-Elements-Reusable-Object-Oriented/dp/0201633612)