Doc: correct typo for backslash in @warning is @bs{}

diff --git a/Documentation/notation/input.itely b/Documentation/notation/input.itely
index aef1360068c10e457236703e00b59fe1ee218bda..8e7b393177d485782ce4295eb3523687ad70396d 100644 (file)
--- a/Documentation/notation/input.itely
+++ b/Documentation/notation/input.itely
@@ -1283,7 +1283,7 @@ left/bottom edge and zero implies the mark is centered on the edge.
 is the context in which the grob being footnoted is created.  It
 may be omitted if the grob is in a bottom context, e.g. a
 @code{Voice} context.
- 
+
 @item GrobName
 specifies a type of grob to mark (like @samp{Flag}).  If it is
 specified, the footnote is not attached to a music expression in
@@ -2781,8 +2781,8 @@ To create a MIDI output file from a LilyPond input file, insert a
 @}
 @end example
 
-@warning{ A @code{\score} block that, as well as the music, contains
-only a @code{\midi} block (i.e. @emph{without} the @code{\layout}
+@warning{ A @code{@bs{}score} block that, as well as the music, contains
+only a @code{@bs{}midi} block (i.e. @emph{without} the @code{@bs{}layout}
 block), will only produce MIDI output files.  No notation will be
 printed.}