DOCATT-8541: Added clarification to InputInteractionContext.SetTimeout

Author: unitALG

Packages/com.unity.inputsystem/InputSystem/Actions/InputInteractionContext.cs

@@ -250,7 +250,7 @@ public void Waiting()
         /// being true.
         ///
         /// Changing the phase of the interaction while a timeout is running will implicitly cancel
-        /// the timeout.
+        /// the timeout. For example, you must call <see cref="Started()"/> before calling `SetTimeout()`.
         ///
         /// <example>
         /// <code>