diff --git a/LocalAccountsApp/App_Data/README.md b/LocalAccountsApp/App_Data/README.md
new file mode 100644
index 0000000..a541fcb
--- /dev/null
+++ b/LocalAccountsApp/App_Data/README.md
@@ -0,0 +1,2 @@
+This folder must exist to allow SQL Server Express to create the .mdf and .ldf database files.
+This folder is listed in .gitignore so the database files do not get checked in.
diff --git a/LocalAccountsApp/Web.config b/LocalAccountsApp/Web.config
index 52317af..96baf45 100644
--- a/LocalAccountsApp/Web.config
+++ b/LocalAccountsApp/Web.config
@@ -9,7 +9,7 @@
     <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
   </configSections>
   <connectionStrings>
-    <add name="DefaultConnection" connectionString="Data Source=(LocalDb)\v11.0;AttachDbFilename=|DataDirectory|\aspnet-LocalAccountsApp-20141010103649.mdf;Initial Catalog=aspnet-LocalAccountsApp-20141010103649;Integrated Security=True" providerName="System.Data.SqlClient" />
+    <add name="DefaultConnection" connectionString="Data Source=(LocalDb)\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\aspnet-LocalAccountsApp-20141010103649.mdf;Initial Catalog=aspnet-LocalAccountsApp-20141010103649;Integrated Security=True" providerName="System.Data.SqlClient" />
   </connectionStrings>
   <appSettings></appSettings>
   <system.web>