updated the README

README.md

@@ -8,11 +8,11 @@ Because during these years, lots of people have noticed that stock KaiOS call lo
 
 - Log all outgoing/incoming calls and add them to the search index;
 - Search the records in T9-like fashion (can be done by number or any part of the contact name);
-- Import and index the call log records existing before FastLog installation (from the menu);
+- Import and index the call log records existing before FastLog installation (from the menu) **if** the stock app exports them;
 - Show the type (outgoing/incoming/missed), number, contact name (if any), SIM, time (respects the system 12/24-hour setting), date and duration of the call in each record;
 - Allow to delete records, add them to new or existing contacts (from the menu);
 - Allow to call or text the number from the record (from the menu or via Call and SoftLeft keys respectively);
-- Allow to block/unblock the calls from the number in a particular record (from the menu);
+- Allow to block/unblock the calls from the number in a particular record (from the menu) **if** the KaiOS version exposes the API to do that;
 - Understand some Bluetooth HFP commands from wireless headsets, like "last number redial" or "Dial a number directly" or "Dial a number from the outgoing memory";
 - ...and even activate/deactivate the flashlight by long-pressing the `#` key!