diff --git a/offlineimap.conf b/offlineimap.conf
index de1a9d9..b6ed990 100644
--- a/offlineimap.conf
+++ b/offlineimap.conf
@@ -43,6 +43,10 @@ accounts = Test
 # greater than 1.  To force it to synchronize only one account at a
 # time, set it to 1.
 #
+# Note: if you are using autorefresh and have more than one account,
+# you must set this number to be >= to the number of accounts you have;
+# since any given sync run never "finishes" due to a timer, you will never
+# sync your additional accounts if this is 1.
 
 maxsyncaccounts = 1