diff --git a/samples/dotnetbot/dotnetbot.csproj b/samples/dotnetbot/dotnetbot.csproj
index 9ab1e365a..a90aa3e3a 100644
--- a/samples/dotnetbot/dotnetbot.csproj
+++ b/samples/dotnetbot/dotnetbot.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>netcoreapp2.1</TargetFramework>
     <OutputType>Exe</OutputType>
diff --git a/samples/dotnetsay/Program.cs b/samples/dotnetsay/Program.cs
index 94e27229f..e25cfcdf8 100644
--- a/samples/dotnetsay/Program.cs
+++ b/samples/dotnetsay/Program.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 
 public static class Program
 {
diff --git a/samples/helloworld/helloworld.csproj b/samples/helloworld/helloworld.csproj
index 5fbb4e602..5df10d60c 100644
--- a/samples/helloworld/helloworld.csproj
+++ b/samples/helloworld/helloworld.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
 		<TargetFramework>netcoreapp2.1</TargetFramework>
 		<OutputType>Exe</OutputType>
diff --git a/samples/helloworldasync/helloworld.csproj b/samples/helloworldasync/helloworld.csproj
index d4f059e69..2754ffa99 100644
--- a/samples/helloworldasync/helloworld.csproj
+++ b/samples/helloworldasync/helloworld.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
 		<TargetFramework>netcoreapp2.1</TargetFramework>
 		<OutputType>Exe</OutputType>
diff --git a/samples/qotd/qotd.csproj b/samples/qotd/qotd.csproj
index 9ab1e365a..a90aa3e3a 100644
--- a/samples/qotd/qotd.csproj
+++ b/samples/qotd/qotd.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>netcoreapp2.1</TargetFramework>
     <OutputType>Exe</OutputType>