LilyPond uses the Scheme programming language, both as part of the
input syntax, and as internal mechanism to glue modules of the program
-together . This section is a very brief overview of entering data in
+together. This section is a very brief overview of entering data in
Scheme.@footnote{If you want to know more about Scheme, see
@uref{http://@/www@/.schemers@/.org}.}