diff --git a/test/dotnet-add-package.Tests/GivenDotnetPackageAdd.cs b/test/dotnet-add-package.Tests/GivenDotnetPackageAdd.cs
index 3cf2cd76c..eb8d24658 100644
--- a/test/dotnet-add-package.Tests/GivenDotnetPackageAdd.cs
+++ b/test/dotnet-add-package.Tests/GivenDotnetPackageAdd.cs
@@ -130,7 +130,7 @@ namespace Microsoft.DotNet.Cli.Package.Add.Tests
                 .WithWorkingDirectory(projectDirectory)
                 .ExecuteWithCapturedOutput($"add package package1 package2 package3");
             cmd.Should().Fail();
-            cmd.StdErr.Should().Contain("Please specify one package reference to add.");
+            cmd.StdErr.Should().Contain("Please specify only one package reference to be added.");
         }
 
         [Fact]