index entry.

diff --git a/Documentation/user/simultaneous.itely b/Documentation/user/simultaneous.itely
index 4b1b48ee5f579bd4613b616075cb1055854ee5c8..f630fa8bf38dbf348923cfa949ef709f2a02300f 100644 (file)
--- a/Documentation/user/simultaneous.itely
+++ b/Documentation/user/simultaneous.itely
@@ -100,6 +100,8 @@ Examples: @lsr{contemporary,cluster@/.ly}.
 @node Collision resolution
 @unnumberedsubsubsec Collision resolution
 
+@cindex Merging noteheads
+
 Normally, note heads with a different number of dots are not
 merged, but when the object property
 @code{merge-differently-dotted} is set in the