@ref{Within-system spacing properties}.
The following example shows how the
-@code{nonstaff-nonstaff-spacing} property can affect the spacing of
-consecutive non-staff lines. Here, by setting the
+@code{nonstaff-nonstaff-spacing} property can affect the spacing
+of consecutive non-staff lines. Here, by setting the
@code{stretchability} key to a very high value, the lyrics are
able to stretch much more than usual: