Update wording of the warning for goroutine leaks

Author: ilijamt

middleware/timeout.go

@@ -62,8 +62,8 @@ func TimeoutWithConfig(config TimeoutConfig) echo.MiddlewareFunc {
 
 			done := make(chan error, 1)
 			go func() {
-				// This goroutine will not stop even this middleware timeouts,
-				// unless someone in the next(c) call chain handle ctx.Done() properly
+				// This goroutine will keep running even if this middleware times out and
+				// will be stopped when ctx.Done() is called down the next(c) call chain
 				done <- next(c)
 			}()