zenno/doc/frbm: explicitly compare pp and ignited wit for lane combo

zenno/src/routes/doc/frbm/+page.svelte

@@ -386,6 +386,11 @@
 		itself less effective. They have stronger lane change movement boosts, which does not affect the forward speed boost and is likely
 		to make it last a shorter time, since the horse will return to the rail more quickly.
 	</p>
+	<p>
+		For the same reasons, Ignited WIT is a bit stronger than PP, because it has a <i>smaller</i> effect value and also a longer base
+		duration. The tradeoff is that it is a 200 SP base cost skill, versus 120 base cost for PP. Using both skills is viable: it increases
+		consistency at the cost of lowering the maximum gain.
+	</p>
 	<p>
 		The <a href={resolve('/mspeed')}>mechanical speed calculator</a> has an approximation of lane combo's benefit. A more precise
 		lane combo simulator exists at