aiaiai-concat-mboxes: improve the help text

Explain why this script is needed and why one can't just use "cat".

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

diff --git a/aiaiai-concat-mboxes b/aiaiai-concat-mboxes
index 350d986be99e4d5cca685e64d6a710d7d4b33816..8de22eb1a6b216dfef523e64e51423a13b47dee5 100755 (executable)
--- a/aiaiai-concat-mboxes
+++ b/aiaiai-concat-mboxes
@@ -20,6 +20,10 @@ Usage: $PROG <mbox_files>
 
 This is a simple script which concatenates several mbox files into one. The
 resulting mbox is printed to stdout.
+
+Note, using just "cat" to contatenate the files is not going to produce a
+correct mbox because there won't be the required blank line between the e-mails
+in the resulting mbox.
 EOF
 }