Fixup an outdated comment

Author: jjonescz

src/Tasks/Microsoft.NET.Build.Tasks/targets/Microsoft.NET.Sdk.targets

@@ -222,7 +222,7 @@ Copyright (c) .NET Foundation. All rights reserved.
   </PropertyGroup>
 
   <!-- NOTE: Keep in sync with https://github.com/dotnet/msbuild/blob/main/src/Tasks/Microsoft.Common.tasks -->
-  <!-- `Condition="Exists('$(RoslynTargetsPath)')` is needed because the package might not be yet downloaded during restore in VS
+  <!-- `Condition="Exists(...)` is needed because the package might not be yet downloaded during restore in VS
         and we do not want to fail the restore phase because of that. -->
   <UsingTask TaskName="Microsoft.CodeAnalysis.BuildTasks.CopyRefAssembly" AssemblyFile="$(RoslynTasksAssembly)" Condition="Exists('$(RoslynTasksAssembly)')" />
   <UsingTask TaskName="Microsoft.CodeAnalysis.BuildTasks.Csc" AssemblyFile="$(RoslynTasksAssembly)" Condition="Exists('$(RoslynTasksAssembly)')" />