diff --git a/hledger/Hledger/Cli/CliOptions.hs b/hledger/Hledger/Cli/CliOptions.hs
index fb05d0687..1a4ac89ed 100644
--- a/hledger/Hledger/Cli/CliOptions.hs
+++ b/hledger/Hledger/Cli/CliOptions.hs
@@ -155,8 +155,8 @@ reportflags = [
  ,flagNone ["empty","E"]     (setboolopt "empty") "show items with zero amount, normally hidden"
  ,flagNone ["cost","B"]      (setboolopt "cost") "convert amounts to their cost at transaction time (using the transaction price, if any)"
  ,flagNone ["value","V"]     (setboolopt "value") "convert amounts to their market value on the report end date (using the most recent applicable market price, if any)"
- ,flagNone ["forecast"]      (setboolopt "forecast") "generate forecast transactions"
- ,flagNone ["auto"]          (setboolopt "auto") "generate automated postings"
+ ,flagNone ["forecast"]      (setboolopt "forecast") "apply periodic transaction rules to generate future transactions, 6 months into the future or to report end date"
+ ,flagNone ["auto"]          (setboolopt "auto") "apply automated posting rules to modify transactions where applicable (can combine with --forecast)"
  ]
 
 -- | Common output-related flags: --output-file, --output-format...