man: fix incorrect plural in libipt_set.man
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/extensions/libipt_set.man b/extensions/libipt_set.man
index 455706c..93b42d3 100644
--- a/extensions/libipt_set.man
+++ b/extensions/libipt_set.man
@@ -1,4 +1,4 @@
-This modules matches IP sets which can be defined by ipset(8).
+This module matches IP sets which can be defined by ipset(8).
.TP
[\fB!\fP] \fB\-\-match\-set\fP \fIsetname\fP \fIflag\fP[\fB,\fP\fIflag\fP]...
where flags are the comma separated list of