/**
* clutter_state_set_key:
* @state: a #ClutterState instance.
- * @source_state_name: (allow-none): the source transition to specify transition for or NULL
- * to specify the default fallback when a more specific source_state doesn't
- * exist.
+ * @source_state_name: (allow-none): the source transition to specify
+ * transition for, or %NULL to specify the default fallback when a
+ * more specific source state doesn't exist.
* @target_state_name: the name of the transition to set a key value for.
* @object: the #GObject to set a key for
* @property_name: the property to set a key for
* @post_delay: relative time of the transition to be idle in the end of
* the transition
*
- * Sets one specific end key for a state_name, object, property_name
+ * Sets one specific end key for a state name, @object, @property_name
* combination.
*
* Return value: (transfer none): the #ClutterState instance, allowing