Update addLoaded.md

Author: adrianorth

powerapps-docs/developer/model-driven-apps/clientapi/reference/formContext-ui/addLoaded.md

@@ -14,7 +14,7 @@ contributors:
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 # ui.addLoaded (Client API reference)
 
-Adds a function to be called on the form **Loaded** event that happens after the form completes the load process.
+Adds a function to be called on the form [Loaded](../events/form-onload.md) event that happens after the form completes the load process.
 
 ## Syntax