Update session.md (#178)

Author: lemon-mint

website/content/middleware/session.md

@@ -6,8 +6,7 @@ description = "Session middleware for Echo"
   parent = "middleware"
 +++
 
-Session middleware facilitates HTTP session management backed by [gorilla sessions]
-(https://github.com/gorilla/sessions). The default implementation provides cookie and
+Session middleware facilitates HTTP session management backed by [gorilla sessions](https://github.com/gorilla/sessions). The default implementation provides cookie and
 filesystem based session store; however, you can take advantage of [community maintained
 implementation](https://github.com/gorilla/sessions#store-implementations) for various backends.