diff --git a/.vs/config/applicationhost.config b/.vs/config/applicationhost.config
index 5c12b0c..6e5bf63 100644
--- a/.vs/config/applicationhost.config
+++ b/.vs/config/applicationhost.config
@@ -163,7 +163,7 @@
             </site>
             <site name="Presentation" id="2">
                 <application path="/" applicationPool="Clr4IntegratedAppPool">
-                    <virtualDirectory path="/" physicalPath="C:\Users\Matthew\Dropbox\Presentations\Clean Architecture\Code\CleanArchitecture\Presentation" />
+                    <virtualDirectory path="/" physicalPath="C:\Users\Matthew\Dropbox\Professional\Presentations\Clean Architecture\Code\CleanArchitecture\Presentation" />
                 </application>
                 <bindings>
                     <binding protocol="http" bindingInformation="*:49581:localhost" />
@@ -171,7 +171,7 @@
             </site>
             <site name="Service" id="3">
                 <application path="/" applicationPool="Clr4IntegratedAppPool">
-                    <virtualDirectory path="/" physicalPath="C:\Users\Matthew\Dropbox\Presentations\Clean Architecture\Code\CleanArchitecture\Service" />
+                    <virtualDirectory path="/" physicalPath="C:\Users\Matthew\Dropbox\Professional\Presentations\Clean Architecture\Code\CleanArchitecture\Service" />
                 </application>
                 <bindings>
                     <binding protocol="http" bindingInformation="*:49164:localhost" />
diff --git a/CleanArchitecture.sln b/CleanArchitecture.sln
index 9ad9328..49f39fa 100644
--- a/CleanArchitecture.sln
+++ b/CleanArchitecture.sln
@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 14
-VisualStudioVersion = 14.0.25123.0
+# Visual Studio 15
+VisualStudioVersion = 15.0.26430.14
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Presentation", "Presentation\Presentation.csproj", "{DA5F5958-EDF9-4654-8E8B-B5763951BABF}"
 EndProject
@@ -9,7 +9,7 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Application", "Application\
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Domain", "Domain\Domain.csproj", "{DEFFFFE8-DC5B-42F4-BEB0-94920FDA7712}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Persistance", "Persistance\Persistance.csproj", "{8EC55CA3-D78D-4112-B651-EDBA549D660E}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Persistence", "Persistence\Persistence.csproj", "{8EC55CA3-D78D-4112-B651-EDBA549D660E}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Infrastructure", "Infrastructure\Infrastructure.csproj", "{1134A2E4-C112-46EC-9618-049D70960341}"
 EndProject
diff --git a/Persistance/App.config b/Persistence/App.config
similarity index 100%
rename from Persistance/App.config
rename to Persistence/App.config
diff --git a/Persistance/Customers/CustomerConfiguration.cs b/Persistence/Customers/CustomerConfiguration.cs
similarity index 89%
rename from Persistance/Customers/CustomerConfiguration.cs
rename to Persistence/Customers/CustomerConfiguration.cs
index 8356994..be2d482 100644
--- a/Persistance/Customers/CustomerConfiguration.cs
+++ b/Persistence/Customers/CustomerConfiguration.cs
@@ -4,7 +4,7 @@
 using System.Linq;
 using CleanArchitecture.Domain.Customers;
 
-namespace CleanArchitecture.Persistance.Customers
+namespace CleanArchitecture.Persistence.Customers
 {
     public class CustomerConfiguration 
         : EntityTypeConfiguration<Customer>
diff --git a/Persistance/DatabaseInitializer.cs b/Persistence/DatabaseInitializer.cs
similarity index 98%
rename from Persistance/DatabaseInitializer.cs
rename to Persistence/DatabaseInitializer.cs
index 88e0b17..09b2c4a 100644
--- a/Persistance/DatabaseInitializer.cs
+++ b/Persistence/DatabaseInitializer.cs
@@ -7,7 +7,7 @@
 using CleanArchitecture.Domain.Products;
 using CleanArchitecture.Domain.Sales;
 
-namespace CleanArchitecture.Persistance
+namespace CleanArchitecture.Persistence
 {
     public class DatabaseInitializer 
         : CreateDatabaseIfNotExists<DatabaseService>
diff --git a/Persistance/DatabaseService.cs b/Persistence/DatabaseService.cs
similarity index 85%
rename from Persistance/DatabaseService.cs
rename to Persistence/DatabaseService.cs
index 0f40271..e89c537 100644
--- a/Persistance/DatabaseService.cs
+++ b/Persistence/DatabaseService.cs
@@ -7,13 +7,13 @@
 using CleanArchitecture.Domain.Employees;
 using CleanArchitecture.Domain.Products;
 using CleanArchitecture.Domain.Sales;
-using CleanArchitecture.Persistance.Customers;
-using CleanArchitecture.Persistance.Employees;
-using CleanArchitecture.Persistance.Products;
-using CleanArchitecture.Persistance.Sales;
+using CleanArchitecture.Persistence.Customers;
+using CleanArchitecture.Persistence.Employees;
+using CleanArchitecture.Persistence.Products;
+using CleanArchitecture.Persistence.Sales;
 
 
-namespace CleanArchitecture.Persistance
+namespace CleanArchitecture.Persistence
 {
     public class DatabaseService : DbContext, IDatabaseService
     {
diff --git a/Persistance/Employees/EmployeeConfiguration.cs b/Persistence/Employees/EmployeeConfiguration.cs
similarity index 90%
rename from Persistance/Employees/EmployeeConfiguration.cs
rename to Persistence/Employees/EmployeeConfiguration.cs
index a346bff..3b079a5 100644
--- a/Persistance/Employees/EmployeeConfiguration.cs
+++ b/Persistence/Employees/EmployeeConfiguration.cs
@@ -4,7 +4,7 @@
 using System.Linq;
 using CleanArchitecture.Domain.Employees;
 
-namespace CleanArchitecture.Persistance.Employees
+namespace CleanArchitecture.Persistence.Employees
 {
     public class EmployeeConfiguration
            : EntityTypeConfiguration<Employee>
diff --git a/Persistance/License.txt b/Persistence/License.txt
similarity index 100%
rename from Persistance/License.txt
rename to Persistence/License.txt
diff --git a/Persistance/Persistance.csproj b/Persistence/Persistence.csproj
similarity index 97%
rename from Persistance/Persistance.csproj
rename to Persistence/Persistence.csproj
index 3dbae33..328dad1 100644
--- a/Persistance/Persistance.csproj
+++ b/Persistence/Persistence.csproj
@@ -7,8 +7,8 @@
     <ProjectGuid>{8EC55CA3-D78D-4112-B651-EDBA549D660E}</ProjectGuid>
     <OutputType>Library</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>CleanArchitecture.Persistance</RootNamespace>
-    <AssemblyName>CleanArchitecture.Persistance</AssemblyName>
+    <RootNamespace>CleanArchitecture.Persistence</RootNamespace>
+    <AssemblyName>CleanArchitecture.Persistence</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
   </PropertyGroup>
diff --git a/Persistance/Products/ProductConfiguration.cs b/Persistence/Products/ProductConfiguration.cs
similarity index 91%
rename from Persistance/Products/ProductConfiguration.cs
rename to Persistence/Products/ProductConfiguration.cs
index 68de8ed..f83ec5d 100644
--- a/Persistance/Products/ProductConfiguration.cs
+++ b/Persistence/Products/ProductConfiguration.cs
@@ -4,7 +4,7 @@
 using System.Linq;
 using CleanArchitecture.Domain.Products;
 
-namespace CleanArchitecture.Persistance.Products
+namespace CleanArchitecture.Persistence.Products
 {
     public class ProductConfiguration
            : EntityTypeConfiguration<Product>
diff --git a/Persistance/Properties/AssemblyInfo.cs b/Persistence/Properties/AssemblyInfo.cs
similarity index 93%
rename from Persistance/Properties/AssemblyInfo.cs
rename to Persistence/Properties/AssemblyInfo.cs
index f667db0..3bc4a11 100644
--- a/Persistance/Properties/AssemblyInfo.cs
+++ b/Persistence/Properties/AssemblyInfo.cs
@@ -4,11 +4,11 @@
 // General Information about an assembly is controlled through the following 
 // set of attributes. Change these attribute values to modify the information
 // associated with an assembly.
-[assembly: AssemblyTitle("Persistance")]
+[assembly: AssemblyTitle("Persistence")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
-[assembly: AssemblyProduct("Persistance")]
+[assembly: AssemblyProduct("Persistence")]
 [assembly: AssemblyCopyright("Copyright ©  2015")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
diff --git a/Persistance/Sales/SaleConfiguration.cs b/Persistence/Sales/SaleConfiguration.cs
similarity index 93%
rename from Persistance/Sales/SaleConfiguration.cs
rename to Persistence/Sales/SaleConfiguration.cs
index 63009f0..5f45174 100644
--- a/Persistance/Sales/SaleConfiguration.cs
+++ b/Persistence/Sales/SaleConfiguration.cs
@@ -4,7 +4,7 @@
 using System.Linq;
 using CleanArchitecture.Domain.Sales;
 
-namespace CleanArchitecture.Persistance.Sales
+namespace CleanArchitecture.Persistence.Sales
 {
     public class SaleConfiguration
            : EntityTypeConfiguration<Sale>
diff --git a/Persistance/packages.config b/Persistence/packages.config
similarity index 100%
rename from Persistance/packages.config
rename to Persistence/packages.config
diff --git a/Presentation/Presentation.csproj b/Presentation/Presentation.csproj
index a263da0..2784433 100644
--- a/Presentation/Presentation.csproj
+++ b/Presentation/Presentation.csproj
@@ -204,9 +204,9 @@
       <Project>{1134a2e4-c112-46ec-9618-049d70960341}</Project>
       <Name>Infrastructure</Name>
     </ProjectReference>
-    <ProjectReference Include="..\Persistance\Persistance.csproj">
+    <ProjectReference Include="..\Persistence\Persistence.csproj">
       <Project>{8ec55ca3-d78d-4112-b651-edba549d660e}</Project>
-      <Name>Persistance</Name>
+      <Name>Persistence</Name>
     </ProjectReference>
   </ItemGroup>
   <PropertyGroup>
diff --git a/Service/Service.csproj b/Service/Service.csproj
index b278e83..c8fff0f 100644
--- a/Service/Service.csproj
+++ b/Service/Service.csproj
@@ -208,9 +208,9 @@
       <Project>{1134a2e4-c112-46ec-9618-049d70960341}</Project>
       <Name>Infrastructure</Name>
     </ProjectReference>
-    <ProjectReference Include="..\Persistance\Persistance.csproj">
+    <ProjectReference Include="..\Persistence\Persistence.csproj">
       <Project>{8ec55ca3-d78d-4112-b651-edba549d660e}</Project>
-      <Name>Persistance</Name>
+      <Name>Persistence</Name>
     </ProjectReference>
   </ItemGroup>
   <PropertyGroup>