diff --git a/hledger-lib/Hledger/Read/Common.hs b/hledger-lib/Hledger/Read/Common.hs
index 6903a62ff..d4820e1df 100644
--- a/hledger-lib/Hledger/Read/Common.hs
+++ b/hledger-lib/Hledger/Read/Common.hs
@@ -1515,10 +1515,10 @@ commenttagsanddatesp mYear = do
 -- Left ...not a bracketed date...
 --
 -- >>> either (Left . customErrorBundlePretty) Right $ rtp (bracketeddatetagsp Nothing) "[2016/1/32]"
--- Left ...1:2:...This date is invalid...
+-- Left ...1:2:...This is not a valid date...
 --
 -- >>> either (Left . customErrorBundlePretty) Right $ rtp (bracketeddatetagsp Nothing) "[1/31]"
--- Left ...1:2:...The partial date 1/31 can not be parsed...
+-- Left ...1:2:...This partial date can not be parsed because the current year is unknown...
 --
 -- >>> either (Left . customErrorBundlePretty) Right $ rtp (bracketeddatetagsp Nothing) "[0123456789/-.=/-.=]"
 -- Left ...1:13:...expecting month or day...