diff --git a/bin/hledger-register-max.hs b/bin/hledger-register-max.hs
index 93ab5341f..ee1af2244 100755
--- a/bin/hledger-register-max.hs
+++ b/bin/hledger-register-max.hs
@@ -1,16 +1,16 @@
 #!/usr/bin/env stack
 -- stack script --compile --resolver lts-20.8 --verbosity error --package hledger-lib --package hledger --package text
 
--- hledger-register-max - runs "register -H" and prints the posting with largest historical balance
+-- hledger-register-max - runs "hledger register" and prints the posting with largest running total/balance.
 -- Usage:
 -- hledger-register-max [REGISTERARGS]
 -- hledger register-max -- [REGISTERARGS]
--- For negative balances, use --invert.
+-- For historical balances, add -H. For negative balances, add --invert.
 
 -- Examples:
--- $ hledger-register-max -f examples/bcexample.hledger checking
+-- $ hledger-register-max -f examples/bcexample.hledger -H checking
 -- 2013-01-03 Hoogle | Payroll  Assets:US:BofA:Checking      1350.60 USD  8799.22 USD
--- $ hledger register-max -- -f examples/bcexample.hledger checking
+-- $ hledger register-max -- -f examples/bcexample.hledger -H checking
 -- 2013-01-03 Hoogle | Payroll  Assets:US:BofA:Checking      1350.60 USD  8799.22 USD
 
 
@@ -28,18 +28,19 @@ import Hledger
 import Hledger.Cli
 import Hledger.Cli.Main (argsToCliOpts)
 
--- needs --help, see hledger-addon-example.hs
+-- XXX needs --help, see hledger-addon-example.hs
+-- XXX shows only one posting when multiple have same balance
 
 main = do
   args <- getArgs
-  opts <- argsToCliOpts ("register" : "-H" : args) []
+  opts <- argsToCliOpts ("register" : args) []
   withJournalDo opts $ \j -> do
     let r = postingsReport (reportspec_ opts) j
     unless (null r) $ do
       let
         i = maximumBy (comparing fifth5) r
         (_, _, mdesc, p, _) = i
-        d = maybe (error "shouldn't happen") tdate $ ptransaction p
+        d = postingDate p
         desc = fromMaybe "" mdesc
         ptxt = T.strip $ T.unlines $ first3 $ postingAsLines False True 20 15 p
       T.putStrLn $ T.unwords [showDate d, desc, "", ptxt, "", T.pack $ showMixedAmountOneLine $ fifth5 i]