diff --git a/doc/xschem_man/tutorial_busses.html b/doc/xschem_man/tutorial_busses.html
index acf324bf..d178e887 100644
--- a/doc/xschem_man/tutorial_busses.html
+++ b/doc/xschem_man/tutorial_busses.html
@@ -32,6 +32,8 @@ p{padding: 15px 30px 10px;}
and AAA[3],AAA[2],AAA[1],AAA[0] are exactly equivalent.
AAA[1:0],BBB[5:4]: describes the bundle: AAA[1],AAA[0],BBB[5],BBB[4].
AAA[6:0:2]: describes the bundle AAA[6],AAA[4],AAA[2],AAA[0].
+ AAA[0:1:4:3]: describes the bundle AAA[0],AAA[1],AAA[4],AAA[5],AAA[8],AAA[9].
+ The meaning of the 4 parameters are: start:end:offset:repetitions.
2*AAA[1:0]: describes the bundle AAA[1],AAA[0],AAA[1],AAA[0].
AAA[1:0]*2: describes the bundle AAA[1],AAA[1],AAA[0],AAA[0].
2*(AAA[1:0],BBB): describes the bundle AAA[1],AAA[0],BBB,AAA[1],AAA[0],BBB.