fixed typos and trailing slashes

Behavioral/ChainOfResponsibilities/Request.php

@@ -4,14 +4,14 @@ namespace DesignPatterns\Behavioral\ChainOfResponsibilities;
 
 /**
  * Request is a request which goes through the chain of responsibilities.
- * 
- * About the request : Sometimes, you don't need an object, just an integer or
- * an array. But in this case of a full example, I've made a class to illustrate 
- * this important idea in the CoR (Chain of Responsibilities). In real world,
+ *
+ * About the request: Sometimes, you don't need an object, just an integer or
+ * an array. But in this case of a full example, I've made a class to illustrate
+ * this important idea in the CoR (Chain of Responsibilities). In the real world,
  * I recommend to always use a class, even a \stdClass if you want, it proves
  * to be more adaptive because a single handler doesn't know much about the
  * outside world and it is more difficult if, one day, you want to add some
- * criterion in a decision process. 
+ * criterion in a decision process.
  */
 class Request
 {