libxt_quota: clarifications on matching

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>

diff --git a/extensions/libxt_quota.man b/extensions/libxt_quota.man
index 8d9e18b86beb8a45a04e2af7fc73247cba63bfa6..fbecf370b6851c8c21a79f920fd7aeeb8c96564e 100644 (file)
--- a/extensions/libxt_quota.man
+++ b/extensions/libxt_quota.man
@@ -1,5 +1,7 @@
 Implements network quotas by decrementing a byte counter with each
-packet.
+packet. The condition matches until the byte counter reaches zero. Behavior
+is reversed with negation (i.e. the condition does not match until the
+byte counter reaches zero).
 .TP
 [\fB!\fP] \fB\-\-quota\fP \fIbytes\fP
 The quota in bytes.