fixing wording

Author: timeyoutakeit

docs/msbuild/how-to-use-project-sdk.md

@@ -55,7 +55,7 @@ During evaluation of the project, [!INCLUDE[vstecmsbuild](../extensibility/inter
     An implicit import is added to the top and bottom of the project as discussed above.  The format of the `Sdk` attribute is `Name[/Version]` where Version is optional.  For example, you can specify `My.Custom.Sdk/1.2.3`.
 
     > [!NOTE]
-    > This is currently the only supported way to reference a project in Visual Studio for Mac.
+    > This is currently the only supported way to reference a project SDK in Visual Studio for Mac.
 
 2. Use the top-level `<Sdk/>` element: