diff --git a/GROUPS.md b/GROUPS.md
index 077c42bf25..802133fbfc 100644
--- a/GROUPS.md
+++ b/GROUPS.md
@@ -113,7 +113,7 @@ These groups are used mostly for informational purposes
     * `food=2`: Food
     * `food=3`: Drink (including soups)
     * `food=1`: Other/unsure
-* `eatable`: Item can be *directly* eaten by wielding + left click (`on_use=item_eat`). Rating is the satiation gain
+* `eatable`: Item can be *directly* eaten by wielding + right click (`on_use=item_eat`). Rating is the satiation gain
 * `cocoa`: Node is a cocoa pod (rating is growth stage, ranging from 1 to 3)
 * `ammo=1`: Item is used as ammo for a weapon
 * `ammo_bow=1`: Item is used as ammo for bows
diff --git a/mods/HELP/mcl_doc/depends.txt b/mods/HELP/mcl_doc/depends.txt
index 052d4ed779..93440a2990 100644
--- a/mods/HELP/mcl_doc/depends.txt
+++ b/mods/HELP/mcl_doc/depends.txt
@@ -1 +1,2 @@
+doc
 doc_items
diff --git a/mods/HELP/mcl_doc/init.lua b/mods/HELP/mcl_doc/init.lua
index 96aedabf24..2dee11cac2 100644
--- a/mods/HELP/mcl_doc/init.lua
+++ b/mods/HELP/mcl_doc/init.lua
@@ -8,3 +8,71 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		doc.show_doc(player:get_player_name())
 	end
 end)
+
+-- doc_items factoids
+
+-- dig_by_water
+doc.sub.items.register_factoid("nodes", "drop_destroy", function(itemstring, def)
+	if def.groups.dig_by_water then
+		return "Water can flow into this block and cause it to drop as an item."
+	end
+	return ""
+end)
+
+-- usable by hoes
+doc.sub.items.register_factoid("nodes", "groups", function(itemstring, def)
+	if def.groups.cultivatable == 2 then
+		return "This block can be turned into dirt with a hoe."
+	elseif def.groups.cultivatable == 2 then
+		return "This block can be turned into farmland with a hoe."
+	end
+	return ""
+end)
+
+-- soil
+doc.sub.items.register_factoid("nodes", "groups", function(itemstring, def)
+	local datastring = ""
+	if def.groups.soil_sapling == 2 then
+		datastring = datastring .. "This block acts as a soil for all saplings." .. "\n"
+	elseif def.groups.soil_sapling == 1 then
+		datastring = datastring .. "This block acts as a soil for some saplings." .. "\n"
+	end
+	if def.groups.soil_sugarcane then
+		datastring = datastring .. "Sugar canes will grow on this block." .. "\n"
+	end
+	if def.groups.soil_nether_wart then
+		datastring = datastring .. "Nether wart will grow on this block." .. "\n"
+	end
+	return datastring
+end)
+
+-- flammable
+doc.sub.items.register_factoid("nodes", "groups", function(itemstring, def)
+	if def.groups.flammable then
+		return "This block is flammable."
+	end
+	return ""
+end)
+
+-- destroys_items
+doc.sub.items.register_factoid("nodes", "groups", function(itemstring, def)
+	if def.groups.destroys_items then
+		return "This block destroys any item it touches."
+	end
+	return ""
+end)
+
+
+-- Comestibles
+doc.sub.items.register_factoid(nil, "use", function(itemstring, def)
+	if def.groups.eatable and not def._doc_items_usagehelp then
+		if def.groups.food == 2 then
+			return "To eat it, wield it, then rightclick."
+		elseif def.groups.food == 3 then
+			return "To drink it, wield it, then rightclick."
+		else
+			return "To consume it, wield it, then rightclick."
+		end
+	end
+	return ""
+end)
diff --git a/mods/ITEMS/mcl_core/craftitems.lua b/mods/ITEMS/mcl_core/craftitems.lua
index 4b2d8b1f22..0d430bfd8e 100644
--- a/mods/ITEMS/mcl_core/craftitems.lua
+++ b/mods/ITEMS/mcl_core/craftitems.lua
@@ -134,7 +134,7 @@ minetest.register_craftitem("mcl_core:apple", {
 	stack_max = 64,
 	on_place = minetest.item_eat(4),
 	on_secondary_use = minetest.item_eat(4),
-	groups = { food = 2 },
+	groups = { food = 2, eatable = 4 },
 })
 
 minetest.register_craftitem("mcl_core:apple_gold", {
@@ -145,5 +145,5 @@ minetest.register_craftitem("mcl_core:apple_gold", {
 	stack_max = 64,
 	on_place = minetest.item_eat(8),
 	on_secondary_use = minetest.item_eat(8),
-	groups = { food = 2 },
+	groups = { food = 2, eatable = 8 },
 })
diff --git a/mods/ITEMS/mcl_core/nodes.lua b/mods/ITEMS/mcl_core/nodes.lua
index c58dcebb97..fdbd65583e 100644
--- a/mods/ITEMS/mcl_core/nodes.lua
+++ b/mods/ITEMS/mcl_core/nodes.lua
@@ -1512,7 +1512,7 @@ minetest.register_node("mcl_core:lava_flowing", {
 minetest.register_node("mcl_core:lava_source", {
 	description = "Still Lava",
 	_doc_items_entry_name = "Lava",
-	_doc_items_longdesc = "Lava is found deep underground and rather dangerous. Don't touch it, it will hurt you a lot and once you're in, it is hard to get out. Lava will also destroy all dropped items it touches. When a lava source meets water, it turns into obsidian. Flowing lava turns into stone instead.",
+	_doc_items_longdesc = "Lava is found deep underground and rather dangerous. Don't touch it, it will hurt you a lot and once you're in, it is hard to get out. When a lava source meets water, it turns into obsidian. Flowing lava turns into stone instead.",
 	inventory_image = minetest.inventorycube("default_lava.png"),
 	drawtype = "liquid",
 	tiles = {
diff --git a/mods/ITEMS/mcl_end/init.lua b/mods/ITEMS/mcl_end/init.lua
index 008073d3a6..caf81bd3d2 100644
--- a/mods/ITEMS/mcl_end/init.lua
+++ b/mods/ITEMS/mcl_end/init.lua
@@ -245,6 +245,7 @@ minetest.register_node("mcl_end:chorus_plant", {
 -- Craftitems
 minetest.register_craftitem("mcl_end:chorus_fruit", {
 	description = "Chorus Fruit",
+	_doc_items_longdesc = "Chorus fruits can be eaten to restore 4 hunger points.",
 	wield_image = "mcl_end_chorus_fruit.png",
 	inventory_image = "mcl_end_chorus_fruit.png",
 	-- TODO: Teleport player
diff --git a/mods/ITEMS/mcl_farming/carrots.lua b/mods/ITEMS/mcl_farming/carrots.lua
index dfb10492de..c39fdcffd8 100644
--- a/mods/ITEMS/mcl_farming/carrots.lua
+++ b/mods/ITEMS/mcl_farming/carrots.lua
@@ -104,10 +104,11 @@ minetest.register_craftitem("mcl_farming:carrot_item", {
 
 minetest.register_craftitem("mcl_farming:carrot_item_gold", {
 	description = "Golden Carrot",
+	_doc_items_longdesc = "This is a food item which can be eaten for 6 hunger points.",
 	inventory_image = "farming_carrot_gold.png",
-	on_place = minetest.item_eat(3),
-	on_secondary_use = minetest.item_eat(3),
-	groups = { brewitem = 1, food = 2, eatable = 3 },
+	on_place = minetest.item_eat(6),
+	on_secondary_use = minetest.item_eat(6),
+	groups = { brewitem = 1, food = 2, eatable = 6 },
 })
 
 minetest.register_craft({
diff --git a/mods/ITEMS/mcl_farming/melon.lua b/mods/ITEMS/mcl_farming/melon.lua
index 8dd976538c..be14b8b162 100644
--- a/mods/ITEMS/mcl_farming/melon.lua
+++ b/mods/ITEMS/mcl_farming/melon.lua
@@ -108,6 +108,7 @@ mcl_farming:add_gourd("mcl_farming:melontige_unconnect", "mcl_farming:melontige_
 minetest.register_craftitem("mcl_farming:melon_item", {
 	-- Original name: “Melon”
 	description = "Melon Slice",
+	_doc_items_longdesc = "This is a food item which can be eaten for 2 hunger points.",
 	stack_max = 64,
 	inventory_image = "farming_melon.png",
 	on_place = minetest.item_eat(2),
diff --git a/mods/ITEMS/mcl_farming/potatoes.lua b/mods/ITEMS/mcl_farming/potatoes.lua
index 82813c99d7..09d4b107c0 100644
--- a/mods/ITEMS/mcl_farming/potatoes.lua
+++ b/mods/ITEMS/mcl_farming/potatoes.lua
@@ -95,7 +95,6 @@ minetest.register_craftitem("mcl_farming:potato_item_baked", {
 minetest.register_craftitem("mcl_farming:potato_item_poison", {
 	description = "Poisonous Potato",
 	_doc_items_longdesc = "This potato doesn't look healthy. Eating it will only poison you.",
-	_doc_items_usagehelp = "Hold it in your hand and rightclick to eat it. But why would you want to do this?",
 	stack_max = 64,
 	inventory_image = "farming_potato_poison.png",
 	-- TODO: Cause status effects
diff --git a/mods/ITEMS/mcl_farming/wheat.lua b/mods/ITEMS/mcl_farming/wheat.lua
index 94ba3a877d..9dbd8441d2 100644
--- a/mods/ITEMS/mcl_farming/wheat.lua
+++ b/mods/ITEMS/mcl_farming/wheat.lua
@@ -139,6 +139,7 @@ minetest.register_craft({
 
 minetest.register_craftitem("mcl_farming:cookie", {
 	description = "Cookie",
+	_doc_items_longdesc = "This is a food item which can be eaten for 2 hunger points.",
 	inventory_image = "farming_cookie.png",
 	groups = {food=2, eatable=2},
 	on_place = minetest.item_eat(2),
@@ -148,6 +149,7 @@ minetest.register_craftitem("mcl_farming:cookie", {
 
 minetest.register_craftitem("mcl_farming:bread", {
 	description = "Bread",
+	_doc_items_longdesc = "This is a food item which can be eaten for 5 hunger points.",
 	inventory_image = "farming_bread.png",
 	groups = {food=2, eatable=5},
 	on_place = minetest.item_eat(5),
diff --git a/mods/ITEMS/mcl_fishing/init.lua b/mods/ITEMS/mcl_fishing/init.lua
index 3e088a499a..8b9ff1543b 100644
--- a/mods/ITEMS/mcl_fishing/init.lua
+++ b/mods/ITEMS/mcl_fishing/init.lua
@@ -135,6 +135,7 @@ minetest.register_craft({
 -- Fish
 minetest.register_craftitem("mcl_fishing:fish_raw", {
 	description = "Raw Fish",
+	_doc_items_longdesc = "This is a raw food item which can be eaten for 2 hunger points. But cooking it is better.",
 	inventory_image = "mcl_fishing_fish_raw.png",
 	on_place = minetest.item_eat(2),
 	on_secondary_use = minetest.item_eat(2),
@@ -144,6 +145,7 @@ minetest.register_craftitem("mcl_fishing:fish_raw", {
 
 minetest.register_craftitem("mcl_fishing:fish_cooked", {
 	description = "Cooked Fish",
+	_doc_items_longdesc = "Mmh, fish! This food item can be eaten for 5 hunger points.",
 	inventory_image = "mcl_fishing_fish_cooked.png",
 	on_place = minetest.item_eat(5),
 	on_secondary_use = minetest.item_eat(5),
@@ -161,6 +163,7 @@ minetest.register_craft({
 -- Salmon
 minetest.register_craftitem("mcl_fishing:salmon_raw", {
 	description = "Raw Salmon",
+	_doc_items_longdesc = "This is a raw food item which can be eaten for 2 hunger points. But cooking it is better.",
 	inventory_image = "mcl_fishing_salmon_raw.png",
 	on_place = minetest.item_eat(2),
 	on_secondary_use = minetest.item_eat(2),
@@ -170,6 +173,7 @@ minetest.register_craftitem("mcl_fishing:salmon_raw", {
 
 minetest.register_craftitem("mcl_fishing:salmon_cooked", {
 	description = "Cooked Salmon",
+	_doc_items_longdesc = "This is a food item which can be eaten for 6 hunger points.",
 	inventory_image = "mcl_fishing_salmon_cooked.png",
 	on_place = minetest.item_eat(6),
 	on_secondary_use = minetest.item_eat(6),
@@ -187,6 +191,7 @@ minetest.register_craft({
 -- Clownfish
 minetest.register_craftitem("mcl_fishing:clownfish_raw", {
 	description = "Clownfish",
+	_doc_items_longdesc = "This is a food item which can be eaten for 1 hunger point.",
 	inventory_image = "mcl_fishing_clownfish_raw.png",
 	on_place = minetest.item_eat(1),
 	on_secondary_use = minetest.item_eat(1),
@@ -198,6 +203,7 @@ minetest.register_craftitem("mcl_fishing:clownfish_raw", {
 -- TODO: Add status effect
 minetest.register_craftitem("mcl_fishing:pufferfish_raw", {
 	description = "Pufferfish",
+	_doc_items_longdesc = "Pufferfish are a common species of fish, but they are dangerous to eat. Eating a pufferfish restores 1 hunger point, but it makes you very sick (which drains your health non-fatally).",
 	inventory_image = "mcl_fishing_pufferfish_raw.png",
 	on_place = minetest.item_eat(1),
 	on_secondary_use = minetest.item_eat(1),
diff --git a/mods/ITEMS/mcl_mushrooms/small.lua b/mods/ITEMS/mcl_mushrooms/small.lua
index 9be30336af..f3fa6babe5 100644
--- a/mods/ITEMS/mcl_mushrooms/small.lua
+++ b/mods/ITEMS/mcl_mushrooms/small.lua
@@ -37,6 +37,7 @@ minetest.register_node("mcl_mushrooms:mushroom_red", {
 
 minetest.register_craftitem("mcl_mushrooms:mushroom_stew", {
 	description = "Mushroom Stew",
+	_doc_items_longdesc = "Mushroom stew is a healthy soup which can be consumed for 6 hunger points.",
 	inventory_image = "farming_mushroom_stew.png",
 	on_place = minetest.item_eat(6, "mcl_core:bowl"),
 	on_secondary_use = minetest.item_eat(6, "mcl_core:bowl"),
diff --git a/mods/ITEMS/mcl_potions/init.lua b/mods/ITEMS/mcl_potions/init.lua
index b441ebd420..3b36afe5b5 100644
--- a/mods/ITEMS/mcl_potions/init.lua
+++ b/mods/ITEMS/mcl_potions/init.lua
@@ -14,6 +14,8 @@ minetest.register_craft({
 
 minetest.register_craftitem("mcl_potions:glass_bottle", {
 	description = "Glass Bottle",
+	_doc_items_longdesc = "A glass bottle is used as a container for potions and can be used to collect water directly.",
+	_doc_items_usagehelp = "To collect water, it on a cauldron with water (which removes a level of water) or a water source (which removes no water).",
 	inventory_image = "mcl_potions_potion_bottle_empty.png",
 	wield_image = "mcl_potions_potion_bottle_empty.png",
 	groups = {brewitem=1},
@@ -89,6 +91,8 @@ end
 
 minetest.register_craftitem("mcl_potions:potion_water", {
 	description = "Water Bottle",
+	_doc_items_longdesc = "Water bottles can be used to brew potions and to fill cauldron. Drinking water has no effect.",
+	_doc_items_usagehelp = "Wield it and rightclick to drink it. Rightclick a cauldron to put the water into the cauldron.",
 	stack_max = 1,
 	inventory_image = potion_image("#0000FF"),
 	wield_image = potion_image("#0000FF"),
@@ -123,8 +127,13 @@ minetest.register_craftitem("mcl_potions:potion_water", {
 	end,
 	on_secondary_use = minetest.item_eat(0, "mcl_potions:glass_bottle"),
 })
+
+local how_to_drink = "To drink it, wield it, then rightclick."
+
 minetest.register_craftitem("mcl_potions:potion_awkward", {
 	description = "Awkward Potion",
+	_doc_items_longdesc = "This potion has an awkward taste and is used for brewing more potions. Drinking it has no effect.",
+	_doc_items_usagehelp = how_to_drink,
 	stack_max = 1,
 	inventory_image = potion_image("#0000FF"),
 	wield_image = potion_image("#0000FF"),
@@ -134,6 +143,8 @@ minetest.register_craftitem("mcl_potions:potion_awkward", {
 })
 minetest.register_craftitem("mcl_potions:potion_mundane", {
 	description = "Mundane Potion",
+	_doc_items_longdesc = "This potion has a clean taste and is used for brewing more potions. Drinking it has no effect.",
+	_doc_items_usagehelp = how_to_drink,
 	stack_max = 1,
 	inventory_image = potion_image("#0000FF"),
 	wield_image = potion_image("#0000FF"),
@@ -143,6 +154,8 @@ minetest.register_craftitem("mcl_potions:potion_mundane", {
 })
 minetest.register_craftitem("mcl_potions:potion_thick", {
 	description = "Thick Potion",
+	_doc_items_longdesc = "This potion has a bitter taste and is used for brewing more potions. Drinking it has no effect.",
+	_doc_items_usagehelp = how_to_drink,
 	stack_max = 1,
 	inventory_image = potion_image("#0000FF"),
 	wield_image = potion_image("#0000FF"),