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

mutex/README.md

@@ -5,13 +5,13 @@ folder: mutex
 permalink: /patterns/mutex/
 categories: Concurrency
 tags: 
- - Java
- - Difficulty-Intermediate
+ - Decoupling
 ---
 
 ## Also known as
-Mutual Exclusion Lock
-Binary Semaphore
+
+* Mutual Exclusion Lock
+* Binary Semaphore
 
 ## Intent
 Create a lock which only allows a single thread to access a resource at any one instant.
@@ -22,8 +22,8 @@ Create a lock which only allows a single thread to access a resource at any one
 ## Applicability
 Use a Mutex when
 
-* you need to prevent two threads accessing a critical section at the same time
-* concurrent access to a resource could lead to a race condition 
+* You need to prevent two threads accessing a critical section at the same time
+* Concurrent access to a resource could lead to a race condition 
 
 ## Credits