-As long as LilyPond can understand your files and produces the output
-that you want, it doesn't matter what your files look like. However,
-there are a few other things to consider when writing lilypond files.
+As long as LilyPond can understand your input files and produce
+the output that you want, it doesn't matter what your input files
+look like. However, there are a few other things to consider when
+writing LilyPond input files.