diff --git a/00_Utilities/DotnetUtils/DotnetUtils/Program.cs b/00_Utilities/DotnetUtils/DotnetUtils/Program.cs
index 550250b1..5a3a70e5 100644
--- a/00_Utilities/DotnetUtils/DotnetUtils/Program.cs
+++ b/00_Utilities/DotnetUtils/DotnetUtils/Program.cs
@@ -216,8 +216,8 @@ void generateMissingProjs() {
 
 void checkProjects() {
     foreach (var info in infos) {
+        WriteLine(info.LangPath);
         printProjectWarnings(info);
-        WriteLine();
     }
 }
 
diff --git a/05_Bagels/csharp/Bagels.csproj b/05_Bagels/csharp/Bagels.csproj
index 68fa11ec..54cdbe42 100644
--- a/05_Bagels/csharp/Bagels.csproj
+++ b/05_Bagels/csharp/Bagels.csproj
@@ -3,7 +3,6 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net5.0</TargetFramework>
-    <RootNamespace>BasicComputerGames.Bagels</RootNamespace>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/06_Banner/vbnet/banner.vbproj b/06_Banner/vbnet/banner.vbproj
index 659fea7b..e825a636 100644
--- a/06_Banner/vbnet/banner.vbproj
+++ b/06_Banner/vbnet/banner.vbproj
@@ -2,8 +2,9 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <RootNamespace>banner</RootNamespace>
+    <RootNamespace>Banner</RootNamespace>
     <TargetFramework>netcoreapp3.1</TargetFramework>
+    <LangVersion>16.9</LangVersion>
   </PropertyGroup>
 
 </Project>
diff --git a/08_Batnum/vbnet/batnum.vbproj b/08_Batnum/vbnet/batnum.vbproj
index 3c21499c..aad6e218 100644
--- a/08_Batnum/vbnet/batnum.vbproj
+++ b/08_Batnum/vbnet/batnum.vbproj
@@ -2,8 +2,9 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <RootNamespace>batnum</RootNamespace>
+    <RootNamespace>Batnum</RootNamespace>
     <TargetFramework>netcoreapp3.1</TargetFramework>
+    <LangVersion>16.9</LangVersion>
   </PropertyGroup>
 
 </Project>
diff --git a/21_Calendar/csharp/Calendar.csproj b/21_Calendar/csharp/Calendar.csproj
index 895f2f3f..20827042 100644
--- a/21_Calendar/csharp/Calendar.csproj
+++ b/21_Calendar/csharp/Calendar.csproj
@@ -3,7 +3,6 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net5.0</TargetFramework>
-    <RootNamespace>_21_calendar</RootNamespace>
   </PropertyGroup>
 
 </Project>
diff --git a/96_Word/vbnet/word.vbproj b/96_Word/vbnet/word.vbproj
index 9868dd3e..f80094e4 100644
--- a/96_Word/vbnet/word.vbproj
+++ b/96_Word/vbnet/word.vbproj
@@ -2,8 +2,9 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <RootNamespace>word</RootNamespace>
+    <RootNamespace>Word</RootNamespace>
     <TargetFramework>netcoreapp3.1</TargetFramework>
+    <LangVersion>16.9</LangVersion>
   </PropertyGroup>
 
 </Project>