Update config.yml

lichess/config.yml

@@ -115,6 +115,7 @@ abort_time: 30                     # Time to abort a game in seconds when there
 fake_think_time: false             # Artificially slow down the bot to pretend like it's thinking.
 rate_limiting_delay: 0             # Time (in ms) to delay after sending a move to prevent "Too Many Requests" errors.
 move_overhead: 2000                # Increase if your bot flags games too often.
+max_takebacks_accepted: 0          # The number of times to allow an opponent to take back a move in a game.
 quit_after_all_games_finish: true  # If set to true, then pressing Ctrl-C to quit will only stop lichess-bot after all current games have finished.
 
 correspondence:
@@ -146,7 +147,7 @@ challenge:                         # Incoming challenges.
     - kingOfTheHill
 #   - racingKings
 #   - threeCheck
-  time_controls:                   # Time controls to accept.
+  time_controls:                   # Time controls to accept (bots are not allowed to play ultraBullet).
     - bullet
     - blitz
     - rapid