@itemize
@item Many wind instruments are transposing instruments, see
@ref{Instrument transpositions}.
-@item The slide glissando are characteristic of the trombone, but other
+@item Slide glissandi are characteristic of the trombone, but other
winds may perform keyed or valved glissandi. See @ref{Glissando}.
@item Harmonic series glissandi, which are possible on all brass
instruments but common for French Horns, are usually written out as