Update apps-advanced.md

docs/guide/apps-advanced.md

@@ -180,7 +180,7 @@ Creating links from backend to frontend
 ---------------------------------------
 
 Often it's required to create links from backend application to frontend application. Since frontend application may
-contain its own URL manager rules you need to duplicate that for backend application naming it differently:
+contain its own URL manager rules you need to duplicate that for backend application by naming it differently:
 
 ```php
 return [
@@ -196,7 +196,7 @@ return [
 ];
 ```
 
-After it is done you can get URL poiting to frontend like the following:
+After it is done, you can get URL pointing to frontend like the following:
 
 ```php
 echo Yii::$app->urlManagerFrontend->createUrl(...);