fix log error

src/index.js

@@ -134,7 +134,7 @@ async function getData(token, idPCE) {
  * Return the list of daily data
  */
 async function getActualDailyLoadData() {
-  log('debug', doctype, 'Retrieve previous data')
+  log('debug', 'Retrieve previous daily data')
   const result = await cozyClient.data.findAll('com.grandlyon.grdf.day')
   return result ? result : []
 }