diff --git a/RhSolutions.Tests/CanWriteProducts.cs b/RhSolutions.Tests/CanWriteProducts.cs
index 433b9cb..3792914 100644
--- a/RhSolutions.Tests/CanWriteProducts.cs
+++ b/RhSolutions.Tests/CanWriteProducts.cs
@@ -17,18 +17,21 @@ public class CanWriteProducts : IDisposable
         _reader = RhSolutionsAddIn.ServiceProvider.GetRequiredService<IReader>();
     }
 
-    [ExcelFact(Workbook = @"TestWorkbooks\TestSpecificaion.xlsx")]
-    public void CanWrite()
+    [ExcelFact(Workbook = @"TestWorkbooks\TestSpecification.xlsx")]
+    public void CanWriteSingle()
     {
         Worksheet sourceSheet = Util.Workbook.Worksheets[1];
-        RhSolutionsAddIn.Configuration.SetPriceListPath(Path.GetFullPath(@"..\..\..\TestWorkbooks\TargetSpecifictaion.xlsx"));
+        RhSolutionsAddIn.Configuration.SetPriceListPath(Path.GetFullPath(@"..\..\..\TestWorkbooks\TargetSpecification.xlsx"));
         var products = _reader.ReadProducts(new[] { sourceSheet });
         var _writer = new ExcelWriter(Util.Application, RhSolutionsAddIn.Configuration);
         _writer.WriteProducts(products);
         Worksheet targetSheet = Util.Application.ActiveWindow.ActiveSheet;
         var targetProducts = _reader.ReadProducts(new[] { targetSheet });
 
+        Assert.Equal("TestSpecification", products.First().Item1);
+        Assert.Equal("TargetSpecification", targetProducts.First().Item1);
         Assert.Equal(products.First().Item2.Count(), targetProducts.First().Item2.Count());
+        Assert.Equal(products.First().Item2.Values.Sum(), targetProducts.First().Item2.Values.Sum());
     }
 
     public void Dispose()
diff --git a/RhSolutions.Tests/RhSolutions.Tests.csproj b/RhSolutions.Tests/RhSolutions.Tests.csproj
index c1a28e0..7694a62 100644
--- a/RhSolutions.Tests/RhSolutions.Tests.csproj
+++ b/RhSolutions.Tests/RhSolutions.Tests.csproj
@@ -27,7 +27,7 @@
 	  <None Update="TestWorkbooks\ExcelTableTest.xlsx">
 	    <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
 	  </None>
-	  <None Update="TestWorkbooks\TestSpecificaion.xlsx">
+	  <None Update="TestWorkbooks\TestSpecification.xlsx">
 	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
 	  </None>
 	</ItemGroup>