diff --git a/doc/bird.sgml b/doc/bird.sgml
index 8b2e8ee7..faf64af9 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -708,7 +708,7 @@ incompatible with each other (that is to prevent you from shooting in the foot).
 	  [ 1, 2, 5..7 ]</cf>. As you can see, both simple values and ranges are permitted in
 	  sets.
 	  For pair sets, expressions like <cf/(123,*)/ can be used to denote ranges (in
-	  that case <cf/(123,0)..(123,65535)/). You can also use <cf/(123,5..100/ for range
+	  that case <cf/(123,0)..(123,65535)/). You can also use <cf/(123,5..100)/ for range
 	  <cf/(123,5)..(123,100)/.
 	  You can also use expressions for both, pair sets and int sets. However it must
 	  be possible to evaluate these expressions before daemon boots. So you can use