diff --git a/hledger/test/aregister.test b/hledger/test/aregister.test
index 8d817d900..f7e189efb 100644
--- a/hledger/test/aregister.test
+++ b/hledger/test/aregister.test
@@ -1,4 +1,3 @@
-# aregister always includes transactions in subaccounts, ignoring a depth limit #1448
 <
 2021-01-01
   (a)  1
@@ -9,8 +8,21 @@
 2021-01-03
   (a:aa:aaa)  100
 
-$ hledger -f- areg a -1 -w80
+# aregister ignores a depth limit, always showing transactions in subaccounts. #1448
+$ hledger -f- areg -w80 a depth:1
 Transactions in a and subaccounts:
 2021-01-01                      a                                1             1
 2021-01-02                      a:aa                            10            11
 2021-01-03                      a:aa:aaa                       100           111
+
+# aregister is always in historical mode, showing balance from prior transactions.
+$ hledger -f- areg -w80 a -b 2021-01-02
+Transactions in a and subaccounts:
+2021-01-02                      a:aa                            10            11
+2021-01-03                      a:aa:aaa                       100           111
+
+# Any additional arguments are a query, filtering the transactions. This may
+# cause the running balance to diverge from the real-world running balance.
+$ hledger -f- areg -w80 a aaa
+Transactions in a and subaccounts:
+2021-01-03                      a:aa:aaa                       100           100