Update 14.2.md

typographical errors and improved readability

Author: Jimmy99

en/14.2.md

@@ -1,6 +1,6 @@
 # 14.2 Sessions
 
-In chapter 6, we introduced some basic concepts pertaining to sessions in Go, and we implemented a sessions manager. The Beego framework uses this session manager to implement some convenient session handling functionality. 
+In chapter 6, we introduced some basic concepts pertaining to sessions in Go, and we implemented a session manager. The Beego framework uses this session manager to implement some convenient session-handling functionality. 
 
 ## Integrating sessions
 
@@ -14,7 +14,7 @@ Beego handles sessions mainly according to the following global variables:
 
 	GlobalSessions *session.Manager// global session controller
 
-Of course, the above values of these variables need to be initialized. You can also use the values from the following configuration file code to set these values:
+Of course, the values of these variables shown above need to be initialized. You can also use the values from the following configuration file code to set these values:
 
 	if ar, err := AppConfig.Bool("sessionon"); err != nil {
 		SessionOn = false