doc: update README

README.md

@@ -6,13 +6,13 @@ You need to have [GPodderSync](https://apps.nextcloud.com/apps/gpoddersync) inst
 
 ## Features
 
-- [x] Browse podcasts and play them directly in Nextcloud
-- [x] Keep track of subscribed shows and episodes
-- [x] Sync them with GPodderSync compatible clients
-- [ ] Import and export subscriptions
-- [x] Mobile friendly interface
-- [x] Unified search integration
-- [x] Interface in multiple languages
+- Browse podcasts and play them directly in Nextcloud
+- Keep track of subscribed shows and episodes
+- Sync them with GPodderSync compatible clients
+- Import and export subscriptions
+- Mobile friendly interface
+- Unified search integration
+- Interface in multiple languages
 
 ## Screenshots