-tools such as the \\drummode function and the DrumStaff context: drums
-are placed to their own staff positions (with a special clef symbol)
-and have note heads according to the drum. You can easily attach an
-extra symbol to the drum, and restrict the number of lines.
+tools such as the @code{\\drummode} function and the @code{DrumStaff}
+context: drums are placed at their own staff positions (with a special
+clef symbol) and have noteheads according to the drum. You can easily
+attach an extra symbol to the drum, and restrict the number of lines.