=item B<HRULE>B<:>I<value>B<#>I<color> [ :I<legend> ]
-Draw a horyzontal line at I<value>. HRULE acts much like LINE except that
+Draw a horizontal line at I<value>. HRULE acts much like LINE except that
will have no effect on the scale of the graph. If a HRULE is outside the
graphing area it will just not be visible.