[typo] decloration to declaration

frappe/docs/user/en/guides/app-development/trigger-event-on-deletion-of-grid-row.md

@@ -1,4 +1,4 @@
-To trigger an event when a row from a Child Table has been deleted (when user clicks on `delete` button), you need to add a handler the `fieldname_remove` event to Child Table, where fieldname is the fieldname of the Child Table in Parent Table decloration. 
+To trigger an event when a row from a Child Table has been deleted (when user clicks on `delete` button), you need to add a handler the `fieldname_remove` event to Child Table, where fieldname is the fieldname of the Child Table in Parent Table declaration. 
  
  For example: