Fixed typo from "targetting" to "targeting"

## Category

- [x] Content fix
- [ ] New article

## What's in this Pull Request?

a) Fixed typo from "targetting" to "targeting"

Author: vijayysisodia

docs/spfx/web-parts/guidance/simplify-adding-web-parts-with-preconfigured-entries.md

@@ -13,7 +13,7 @@ More complex SharePoint Framework client-side web parts likely have many propert
 > Before following the steps in this article, be sure to [set up your SharePoint client-side web part development environment](../../set-up-your-development-environment.md).
 
 > [!WARNING]
-> SPFx solutions targetting SharePoint Server 2016 are limited to setting only a single web part property as a preconfigured entry. For more information, see [issue #5260](https://github.com/SharePoint/sp-dev-docs/issues/5260).
+> SPFx solutions targeting SharePoint Server 2016 are limited to setting only a single web part property as a preconfigured entry. For more information, see [issue #5260](https://github.com/SharePoint/sp-dev-docs/issues/5260).
 
 ## Web part preconfigured entries