diff --git a/doc/filters.texi b/doc/filters.texi
index 4319eec70e..4a05242621 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -1404,7 +1404,8 @@ out
 
 Load a LADSPA (Linux Audio Developer's Simple Plugin API) plugin.
 
-To enable compilation of this filter you need to configure FFmpeg with "--enable-ladspa".
+To enable compilation of this filter you need to configure FFmpeg with
+@code{--enable-ladspa}.
 
 @table @option
 @item file, f