Misc battle anim documentation

src/battle_anim_ghost.c

@@ -225,7 +225,7 @@ static void AnimConfuseRayBallBounce(struct Sprite *sprite)
     sprite->data[2] = GetBattlerSpriteCoord(gBattleAnimTarget, 2);
     sprite->data[3] = sprite->pos1.y;
     sprite->data[4] = GetBattlerSpriteCoord(gBattleAnimTarget, 3);
-    sub_80A6FD4(sprite);
+    InitAnimLinearTranslationWithSpeed(sprite);
     sprite->callback = AnimConfuseRayBallBounce_Step1;
     sprite->data[6] = 16;
     SetGpuReg(REG_OFFSET_BLDCNT, (BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_ALL));