diff --git a/vs4win/Chapter02/Vocabulary/Vocabulary.csproj b/vs4win/Chapter02/Vocabulary/Vocabulary.csproj
index 6d3ae66..3c75921 100644
--- a/vs4win/Chapter02/Vocabulary/Vocabulary.csproj
+++ b/vs4win/Chapter02/Vocabulary/Vocabulary.csproj
@@ -1,15 +1,15 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
-	<PropertyGroup>
-		<OutputType>Exe</OutputType>
-		<TargetFramework>net7.0</TargetFramework>
-		<ImplicitUsings>enable</ImplicitUsings>
-		<Nullable>enable</Nullable>
-	</PropertyGroup>
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
 
-	<ItemGroup>
-		<Using Remove="System.Threading" />
-		<Using Include="System.Numerics" />
-	</ItemGroup>
+  <ItemGroup>
+    <Using Remove="System.Threading" />
+    <Using Include="System.Numerics" />
+  </ItemGroup>
 
 </Project>