https://github.com/iluwatar/java-design-patterns-web/issues/8 Update pattern categories and tags

execute-around/README.md

@@ -3,11 +3,9 @@ layout: pattern
 title: Execute Around
 folder: execute-around
 permalink: /patterns/execute-around/
-categories: Other
+categories: Idiom
 tags:
- - Java
- - Difficulty-Beginner
- - Idiom
+ - Extensibility
 ---
 
 ## Intent
@@ -25,4 +23,5 @@ Use the Execute Around idiom when
 * you use an API that requires methods to be called in pairs such as open/close or allocate/deallocate.
 
 ## Credits
+
 * [Functional Programming in Java: Harnessing the Power of Java 8 Lambda Expressions](http://www.amazon.com/Functional-Programming-Java-Harnessing-Expressions/dp/1937785467/ref=sr_1_1)