Docs: NR 5: index bezier curves for slurs and ties

diff --git a/Documentation/user/changing-defaults.itely b/Documentation/user/changing-defaults.itely
index ddd54fcd57d04f8366f4bac0c0b05367e63ff662..c395ad9dd30f70a8b85be6c5c8e926619d3abade 100644 (file)
--- a/Documentation/user/changing-defaults.itely
+++ b/Documentation/user/changing-defaults.itely
@@ -3281,6 +3281,11 @@ Notation Reference:
 @node Modifying ties and slurs
 @unnumberedsubsubsec Modifying ties and slurs
 
+@cindex slurs, modifying
+@cindex ties, modifying
+@cindex Bézier curves
+@cindex Bézier control points
+
 Ties, slurs and phrasing slurs are drawn as third-order Bézier
 curves.  If the shape of the tie or slur which is calculated
 automatically is not optimum, the shape may be modified manually by