fix: "Storage"

docs/en/Community-Articles/2020-07-21-File-Upload-Download-With-BLOB-Storage-System-in-ASPNET-Core-ABP-Framework/POST.md

@@ -48,9 +48,9 @@ Open a command prompt (terminal) in the folder containing your solution (.sln) f
 
 This action will add the module depencies and also module migration. After this action, run `FileActionsDemo.DbMigrator` to update the database.
 
-### Setting up Blob Storaging
+### Setting up Blob Storage
 
-BLOB Strorage system works with `Containers`. Before the using blob storage, we need to create our blob container.
+BLOB Storage system works with `Containers`. Before the using blob storage, we need to create our blob container.
 
 Create a class that name `MyFileContainer` at the `FileActionsDemo.Domain` project.