diff --git a/src/dotnet/commands/dotnet-test/Program.cs b/src/dotnet/commands/dotnet-test/Program.cs
index be2a8cf97..d8c9e6a00 100644
--- a/src/dotnet/commands/dotnet-test/Program.cs
+++ b/src/dotnet/commands/dotnet-test/Program.cs
@@ -72,7 +72,7 @@ namespace Microsoft.DotNet.Tools.Test
                 CommandOptionType.SingleValue);
 
             var outputOption = cmd.Option(
-                "-o|--output <OotputDir>",
+                "-o|--output <OutputDir>",
                 @"Directory in which to find the binaries to be run",
                 CommandOptionType.SingleValue);