update docs

Signed-off-by: Dieter Coopman <dieter@deltasolutions.be>

Author: dietercoopman

README.md

@@ -17,7 +17,7 @@ This package makes a wrapper around the Microsoft Graph API.
 3. It provides functionality to interact with Microsoft [Teams](#teams-usage).
 4. It provides the possibility to work with [Excel](#excel-usage), making it possible to write and read Excel files.
 5. It allows you to manage [calendar](#calendar-usage) events.
-6. It allows you to manage contacts [contact](#contacts-usage).
+6. It allows you to manage [contacts](#contacts-usage).
 7. It allows you to read and handle [mail](#reading-and-handling-mail).
 
 You need to register an app in the Microsoft Azure Portal to use this package. Follow the steps in the Microsoft docs: