<http://schema.org/description>
"Casting Chain Heal or Riptide reduces the cast time of your next Healing Wave by 30% or increases the critical effect chance of your next Healing Surge by 40%. Stacks up to 2 times."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wowhead.com/spell=51564/tidal-waves>