Improve error message when argument is missing for a switch

2 files changed, 1 insertions, 4 deletions

diff --git a/src/WixToolset.Data/ErrorMessages.cs b/src/WixToolset.Data/ErrorMessages.cs
index 7ce94157..81f67c81 100644
--- a/src/WixToolset.Data/ErrorMessages.cs
+++ b/src/WixToolset.Data/ErrorMessages.cs
@@ -389,7 +389,7 @@ namespace WixToolset.Data
 
         public static Message ExpectedArgument(string argument)
         {
-            return Message(null, Ids.ExpectedArgument, "{0} is expected to be followed by a value argument.", argument);
+            return Message(null, Ids.ExpectedArgument, "{0} is expected to be followed by a value. See -? for additional detail.", argument);
         }
 
         public static Message ExpectedAttribute(SourceLineNumber sourceLineNumbers, string elementName, string attributeName)
diff --git a/src/WixToolset.Data/WixToolset.Data.csproj b/src/WixToolset.Data/WixToolset.Data.csproj
index d56af370..00a0ed95 100644
--- a/src/WixToolset.Data/WixToolset.Data.csproj
+++ b/src/WixToolset.Data/WixToolset.Data.csproj
@@ -1,9 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. -->
 
-
 <Project Sdk="Microsoft.NET.Sdk">
-
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <Title>WiX Toolset Data</Title>
@@ -13,5 +11,4 @@
   <ItemGroup>
     <PackageReference Include="Nerdbank.GitVersioning" Version="2.1.7" PrivateAssets="all" />
   </ItemGroup>
-
 </Project>