Update task.md

language checked

duckShopServer/duckShopServerHowToRun/task.md

@@ -1,6 +1,6 @@
 At each stage, you can run the current version of the application.
 However, if some functionality is not yet ready,
-then some buttons may not work, and some information may not be displayed.
+then some buttons may not work and some information may not be displayed.
 
 To run the application, you need to run the `main` function inside
 the [DuckShopApplication.kt](./src/main/kotlin/org/jetbrains/kotlin/course/duck/shop/DuckShopApplication.kt) file:
@@ -20,4 +20,4 @@ and open http://localhost:8080/. You will see the main page of the application:
 
 If an application from a previous launch is displayed on the screen when starting the game, you need to reset the caches.
 This can usually be done with a keyboard shortcut: `ctrl` + `shift` + `R` (`command` + `shift` + `R` for macOS).
-</div>
+</div>