Fix warnings

Author: Nkrb

powerapps-docs/developer/component-framework/implementing-controls-using-typescript.md

@@ -402,7 +402,7 @@ To add the code components to a canvas app, follow the steps in the article [Add
 [Download sample components](https://github.com/microsoft/PowerApps-Samples/tree/master/component-framework)<br/>
 [Learn Power Apps component framework](/learn/paths/use-power-apps-component-framework)<br/>
 [Update existing Power Apps component framework components](updating-existing-controls.md)<br/>
-[Microsoft Power Platform Build Tools](https://docs.microsoft.com/powerapps/developer/data-platform/build-tools-overview)<br/>
+[Microsoft Power Platform Build Tools](/powerapps/developer/data-platform/build-tools-overview)<br/>
 [Power Apps component framework API reference](reference/index.md)<br/>
 [Power Apps component framework overview](overview.md)
 

powerapps-docs/developer/model-driven-apps/web-resources.md

@@ -1,7 +1,6 @@
 ---
 title: "Web Resources (model-driven apps) | Microsoft Docs" # Intent and product brand in a unique string of 43-59 chars including spaces
 description: "Web resources are virtual files that are stored in the Microsoft Dataverse database and that you can retrieve by using a unique URL address." # 115-145 characters including spaces. This abstract displays in the search result.
-ms.custom: ""
 ms.date: 04/15/2021
 ms.reviewer: ""
 ms.service: powerapps

powerapps-docs/maker/canvas-apps/working-with-formulas.md

@@ -4,9 +4,10 @@ description: In Power Apps, use formulas to customize a canvas app.
 author: gregli-msft
 manager: kvivek
 ms.service: powerapps
-ms.custom: "intro-internal"
+ms.custom: 
+- "intro-internal"
+- "canvas"
 ms.topic: conceptual
-ms.custom: canvas
 ms.reviewer: tapanm
 ms.date: 03/01/2019
 ms.author: gregli