#69 Fix annotations in button component

druid/base/button.lua

@@ -265,10 +265,13 @@ end
 --- Set enabled button component state
 -- @function button:set_enabled
 -- @tparam bool state Enabled state
+-- @treturn druid.button Current button instance
 function M.set_enabled(self, state)
 	self.disabled = not state
 	self.hover:set_enabled(state)
 	self.style.on_set_enabled(self, self.node, state)
+
+	return self
 end
 
 
@@ -284,10 +287,11 @@ end
 -- no click events outside stencil node
 -- @function button:set_click_zone
 -- @tparam node zone Gui node
--- @tparam druid.button Self instance to make chain calls
+-- @treturn druid.button Current button instance
 function M.set_click_zone(self, zone)
 	self.click_zone = self:get_node(zone)
 	self.hover:set_click_zone(zone)
+
 	return self
 end
 
@@ -295,9 +299,10 @@ end
 --- Set key-code to trigger this button
 -- @function button:set_key_trigger
 -- @tparam hash key The action_id of the key
--- @tparam druid.button Self instance to make chain calls
+-- @treturn druid.button Current button instance
 function M.set_key_trigger(self, key)
 	self.key_trigger = hash(key)
+
 	return self
 end