diff --git a/artiq/coredevice/ad9910.py b/artiq/coredevice/ad9910.py
index d396c3d44..1db942648 100644
--- a/artiq/coredevice/ad9910.py
+++ b/artiq/coredevice/ad9910.py
@@ -619,6 +619,8 @@ class AD9910:
         window a bit to provide some slack and stability and returns the
         optimal values.
 
+        This method and :meth:`tune_io_update_delay` can be run in any order.
+
         :param search_seed: Start value for valid SYNC_IN delay search.
             Defaults to 15 (half range).
         :return: Tuple of optimal delay and window size.
@@ -716,6 +718,8 @@ class AD9910:
         This method assumes that the IO_UPDATE TTLOut device has one machine
         unit resolution (SERDES).
 
+        This method and :meth:`tune_sync_delay` can be run in any order.
+
         :return: Stable IO_UPDATE delay to be passed to the constructor
             :class:`AD9910` via the device database.
         """