diff --git a/bfxapi/websockets/order_manager.py b/bfxapi/websockets/order_manager.py
index e3cdf1b..90f5a7b 100644
--- a/bfxapi/websockets/order_manager.py
+++ b/bfxapi/websockets/order_manager.py
@@ -126,7 +126,7 @@ class OrderManager:
             "amount": str(amount),
             "price": str(price),
         }
-        # caclulate and add flags
+        # calculate and add flags
         flags = calculate_order_flags(hidden, close, reduce_only, post_only, oco)
         payload['flags'] = flags
         # add extra parameters