diff --git a/mne/_fiff/meas_info.py b/mne/_fiff/meas_info.py
index fabac25d7af..41fa98cc362 100644
--- a/mne/_fiff/meas_info.py
+++ b/mne/_fiff/meas_info.py
@@ -1464,7 +1464,7 @@ class Info(dict, SetChannelsMixin, MontageMixin, ContainsMixin):
             First name.
         middle_name : str
             Middle name.
-        meas_date : datetime.date
+        birthday : datetime.date
             The subject birthday.
 
             .. versionchanged:: 1.8