doc: fixing snippet fretted-string-harmonics

[lilypond.git] / scm / define-grob-interfaces.scm

diff --git a/scm/define-grob-interfaces.scm b/scm/define-grob-interfaces.scm
index edc02a7fb3ea911d9f63e77ad3b80ca3b0c6a542..a7090de0327ff19fbd57c011ff33f5d4ac695f0d 100644 (file)
--- a/scm/define-grob-interfaces.scm
+++ b/scm/define-grob-interfaces.scm
@@ -100,7 +100,7 @@ note)."
 (ly:add-interface
   'glissando-interface
   "A glissando."
-  '())
+  '(glissando-index))
 
 (ly:add-interface
  'grace-spacing-interface