Doc build: fix broken xref.

diff --git a/lily/text-interface.cc b/lily/text-interface.cc
index 1c88d97cb30c7789c068030c93d255f8a28e1efa..c7d425bcb5909f6afe205efa2db46ae97007582e 100644 (file)
--- a/lily/text-interface.cc
+++ b/lily/text-interface.cc
@@ -153,7 +153,7 @@ Text_interface::is_markup_list (SCM x)
 
 ADD_INTERFACE (Text_interface,
               "A Scheme markup text, see @ruser{Formatting text} and"
-              " @ruser{New markup command definition}.\n"
+              " @rextend{New markup command definition}.\n"
               "\n"
               "There are two important commands:"
               " @code{ly:text-interface::print}, which is a"