Apply suggestion from @baronfel

Author: baronfel

src/Cli/Microsoft.DotNet.Cli.Utils/MSBuildArgs.cs

@@ -77,7 +77,7 @@ private MSBuildArgs(
     public VerbosityOptions? Verbosity { get; }
 
     /// <summary>
-    /// Wether or not the MSBuild product header text should be emitted at the start of this build
+    /// Whether or not the MSBuild product header text should be emitted at the start of this build
     /// </summary>
     public bool NoLogo { get; }