Both of these mods look for the same lang key entry for each enchant, and put it in the tooltip of the enchanted book for the enchantment:
enchantment.randomenchantments.name_of_enchantment_unlocalised.desc=A cool enchantment from a mod!
Copy pasted from your curse page, and mildly edited to be more appropriate for in-game:
enchantment.randomenchantments.solar.desc=Slowly repairs while outside.
enchantment.randomenchantments.back_to_the_chamber.desc=Has a chance of returning arrows that strike an enemy back to the inventory, 20% chance per level, works with tipped arrows, conflicts with infinity and multishot.
enchantment.randomenchantments.exploding.desc=Arrows explode on contact with a mob, does not destroy blocks.
enchantment.randomenchantments.homing.desc=Arrows fired by this bow will track any mob with the exception of Endermen and most passive mobs.
enchantment.randomenchantments.phasing.desc=Arrows go through walls.
enchantment.randomenchantments.piercing.desc=Arrow can pierce through several mobs.
enchantment.randomenchantments.quickdraw.desc=Decreases the bow charge time.
enchantment.randomenchantments.ricochet.desc=Arrows bounce off walls and floors.
enchantment.randomenchantments.shattering.desc=Arrows break glass.
enchantment.randomenchantments.true_shot.desc=Arrows fired by this bow will not be affected by gravity.
enchantment.randomenchantments.transposition.desc=Swap places with the target on hit.
enchantment.randomenchantments.teleportation.desc=Teleports to wherever the arrows land, won't teleport into lava or other unsafe places.
enchantment.randomenchantments.cursed_jump.desc=Any mob struck with this enchantment will be unable to prevent themselves from skyrocketing into the air when they jump.
enchantment.randomenchantments.disarm.desc=Any mob struck with this enchant will drop their weapon.
enchantment.randomenchantments.floating.desc=Any mob struck with this enchant will be affected by the Shulker Effect Floatng for 10 seconds.
enchantment.randomenchantments.instant_death.desc=Any mob stuck with this enchant will die instantly.
enchantment.randomenchantments.lightning.desc=Strikes any mob it hits with lightning.
enchantment.randomenchantments.paralysis.desc=Any mob struck with this will find themselves unable to move, jump, or attack.
enchantment.randomenchantments.true_lifesteal.desc=Damage dealt by a weapon enchanted with this restores some health; armor piercing.
enchantment.randomenchantments.combo.desc=Increased damage with each successful strike, resets if it hits air or blocks.
enchantment.randomenchantments.equal_mine.desc=Every block above hardness 1 is mined at the same speed.
enchantment.randomenchantments.momentum.desc=Mining speed increases for each consecutive block of the same one.
enchantment.randomenchantments.obsidian_buster.desc=Mining speed increases by 100 when used on obsidian.
enchantment.randomenchantments.randomness.desc=Blocks drop additional completely random items when mined, one item per level.
enchantment.randomenchantments.stonebound.desc=Tool gains more mining speed at lower durability, but reduced damage.
enchantment.randomenchantments.stonelover.desc=Pickaxe has an 80% chance to restore 1 durability if mining stone (does not include cobblestone).
enchantment.randomenchantments.lumberjack.desc=When breaking a log, the tool will attempt to chop the whole tree.
enchantment.randomenchantments.hooked.desc=Pulls the armor off of whatever mob it hits.
enchantment.randomenchantments.grappling.desc=If used on a block, launches the player.
enchantment.randomenchantments.deflect.desc=Arrows shot towards the wearer get vaporized, does not apply to player arrows.
enchantment.randomenchantments.breaking.desc=Makes tool break faster.
enchantment.randomenchantments.butterfingers.desc=Oops!
enchantment.randomenchantments.fumbling.desc=This tool doesn't mine as quickly as it should...
enchantment.randomenchantments.shadows.desc=This equipment seems to weaken in the light...
Both of these mods look for the same lang key entry for each enchant, and put it in the tooltip of the enchanted book for the enchantment:
Copy pasted from your curse page, and mildly edited to be more appropriate for in-game: