Doc: mark functions with code macro

diff --git a/Documentation/user/simultaneous.itely b/Documentation/user/simultaneous.itely
index 68a1c03432e489437b94503a084c025b694ea015..07be1d420b65127ce73b17700809decaec92ccdc 100644 (file)
--- a/Documentation/user/simultaneous.itely
+++ b/Documentation/user/simultaneous.itely
@@ -214,7 +214,7 @@ to one consistent voice.
 >>
 @end lilypond
 
-Here, the \voiceOne and \voiceTwo commands help to make clear what
+Here, the @code{\voiceOne} and @code{\voiceTwo} commands help to make clear what
 settings does each voice receive.
 
 The @code{<<@{...@} \\ @{...@}>>} construction, where the two (or