diff --git a/freqtrade/exchange/exchange.py b/freqtrade/exchange/exchange.py
index a63a8b6a0..47ff89f46 100644
--- a/freqtrade/exchange/exchange.py
+++ b/freqtrade/exchange/exchange.py
@@ -3594,7 +3594,7 @@ class Exchange:
             Wherein, "+" or "-" depends on whether the contract goes long or short:
             "-" for long, and "+" for short.
 
-         okex: https://www.okex.com/support/hc/en-us/articles/
+         okex: https://www.okx.com/support/hc/en-us/articles/
             360053909592-VI-Introduction-to-the-isolated-mode-of-Single-Multi-currency-Portfolio-margin
 
         :param pair: Pair to calculate liquidation price for