}
ENTER_DESCRIPTION (Metronome_mark_engraver,
-/* descr */ "Engrave metro nome marking. This delegates the real work to the function in the metronomeMarkFormatter property",
+/* descr */ "Engrave metro nome marking. This delegates the formatting work "
+ "to the function in the metronomeMarkFormatter property. "
+ "The mark is put over all staves. "
+ "The staves are taken from the @code{stavesFound} property, "
+ "which is maintained by @code{@ref{Staff_collecting_engraver}}. "
+
+ ,
/* creats*/ "MetronomeMark",
/* accepts */ "metronome-change-event",
/* acks */ "time-signature-interface bar-line-interface",