minor comment cleanup

Author: nickolas-deboom

drivers/SmartThings/matter-switch/src/init.lua

@@ -418,6 +418,7 @@ local function find_default_endpoint(device)
   table.sort(switch_eps)
   table.sort(button_eps)
 
+  -- Return the first fan endpoint as the default endpoint if one is present
   if #fan_eps > 0 then
     return get_first_non_zero_endpoint(fan_eps)
   end
@@ -695,7 +696,7 @@ local function initialize_buttons_and_switches(driver, device, main_endpoint)
   end
 
   -- Any button endpoints found will be added as additional components in the profile containing the
-  -- main endpoint. An fan endpoint will be considered the main endpoint and other additional switch
+  -- main endpoint. A fan endpoint will be considered the main endpoint and other additional switch
   -- endpoints will be added as additional components. The resulting endpoint to component map is
   -- saved in the corresponding component to endpoint map field.
   if #button_eps > 0 then