diff --git a/hledger-lib/hledger_csv.m4.md b/hledger-lib/hledger_csv.m4.md
index 1659ded16..c31d640e3 100644
--- a/hledger-lib/hledger_csv.m4.md
+++ b/hledger-lib/hledger_csv.m4.md
@@ -143,7 +143,7 @@ An assignment to any of `accountN`, `amountN`, `amountN-in`, `amountN-out`, `bal
 
 Fields `amount`, `amount-in`, `amount-out`, `currency`, `balance` and `comment` are treated as aliases for `amount1`, and so on. If your rules file leads to both aliased fields having different values, `hledger` will raise an error.
 
-You need to provide enough information to create at least one posting.
+You need to provide enough information to create at least one posting (not necessary number 1).
 
 Eg:
 ```rules