edited todos

src/xyz/soper/arty/item/Shell.java

@@ -46,8 +46,8 @@ public class Shell {
     /** TODO: Finish documentation for this
      * Creates a shell with the specified statistics.
      * @param explosionMultiplier Explosion multiplier. 1 represents default 3 (for blockDamage)
-     * @param penetration
-     * @param incendiaryType
+     * @param penetration Penetration value. Represents the amount of blocks the shell can penetrate before exploding.
+     * @param incendiaryType Determines if the shell is capable of starting fires.
      * @param baseVelocity 
      * @param failChance
      */