* src/join.c (usage): Mention that input files should be sorted.

diff --git a/ChangeLog b/ChangeLog
index e7b3523077860f3bbe31113e8f63eec29a25628f..8868a3885610cc1384f002a340f55a29b498296f 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,9 @@
 
        * Version 5.3.0.
 
+       * src/join.c (usage): Mention that input files should be sorted.
+       Suggested by Torsten Finke.
+
        * NEWS: Document new UTC+HH:MM date syntax, and put date changes
        together.