Update form-loaded.md

Author: adrianorth

powerapps-docs/developer/model-driven-apps/clientapi/reference/events/form-loaded.md

@@ -14,7 +14,7 @@ contributors:
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 # Form Loaded event
 
-This event occurs after the form load has completed. It is recommended to run app logic that is not immediately needed during the form load process. For example, moving extra APIs calls after form load completes can signficiantly improve the loading experience and reduce time to first use.
+This event occurs after the form load completes. It's recommended to run app logic that isn't immediately needed during the form load process. For example, moving extra APIs calls after form load completes can significiantly improve the loading experience and reduce time to first use.
 
 Use the formContext.ui.[addLoaded](../formContext-ui/addLoaded.md) and formContext.ui.[removeLoaded](../formContext-ui/removeLoaded.md) methods to manage event handlers for this event.