diff --git a/init.lua b/init.lua
index 0c6ebf2..d1e2834 100644
--- a/init.lua
+++ b/init.lua
@@ -1413,13 +1413,18 @@ local show_noise_formspec = function(player, noiseparams, profile_id)
 		autogen_label = S("Disable mapgen")
 	else
 		autogen_label = S("Enable mapgen")
-		create_btn = "button[3.50,0;3,1;create;"..F(S("Apply and create")).."]"
+		create_btn = "button[3.50,0;3,1;create;"..F(S("Apply and create")).."]"..
+			"tooltip[create;"..F(S("Set these noise parameters and noise options as the “active noise” and create nodes at the given X/Y/Z coordinates with the given size")).."]"
 		xyzsize = [[
 		field[0.25,1.95;1.75,0.75;pos_x;]]..F(S("X"))..[[;]]..pos_x..[[]
 		field[2.10,1.95;1.75,0.75;pos_y;]]..F(S("Y"))..[[;]]..pos_y..[[]
 		field[3.95,1.95;1.75,0.75;pos_z;]]..F(S("Z"))..[[;]]..pos_z..[[]
+		tooltip[pos_x;]]..F(S("Coordinate for “Apply and create”"))..[[]
+		tooltip[pos_y;]]..F(S("Coordinate for “Apply and create”"))..[[]
+		tooltip[pos_z;]]..F(S("Coordinate for “Apply and create”"))..[[]
 
 		field[5.95,1.95;1.5,0.75;size;]]..F(S("Size"))..[[;]]..size..[[]
+		tooltip[size;]]..F(S("Size of area of nodes to generate (as a sidelength), used by “Apply and create”"))..[[]
 
 		field_close_on_enter[pos_x;false]
 		field_close_on_enter[pos_y;false]
@@ -1468,6 +1473,10 @@ local show_noise_formspec = function(player, noiseparams, profile_id)
 		field_close_on_enter[sidelen;false]
 
 		tooltip[set_random_seed;]]..F(S("Random seed"))..[[]
+		tooltip[add_np_profile;]]..F(S("Add the current noise parameter as a new profile into the profile list"))..[[]
+		tooltip[load_np_profile;]]..F(S("Load the selected profile from the profile list to replace the noise parameters"))..[[]
+		tooltip[delete_np_profile;]]..F(S("Delete the selected profile from the profile list (only works for user profiles)"))..[[]
+		tooltip[analyze;]]..F(S("Perform some basic mathematical analysis about these noise parameters"))..[[]
 		container_end[]
 
 
@@ -1478,6 +1487,7 @@ local show_noise_formspec = function(player, noiseparams, profile_id)
 		dropdown[0.25,0.7;1,0.75;dimensions;]]..F(S("2D"))..[[,]]..F(S("3D"))..[[;]]..dimensions_index..[[;true]
 		field[2.25,0.7;2,0.75;sidelen;]]..F(S("Pixelization"))..[[;]]..sidelen..[[]
 		button[6.25,0.7;2.0,0.6;statistics;]]..F(S("Statistics"))..[[]
+		tooltip[statistics;]]..F(S("Calculate a large amount of noise values under the current settings and show a statistical analysis of these values"))..[[]
 		tooltip[sidelen;]]..F(S("If higher than 1, Perlin values will be repeated along all axes every x nodes, for a ‘pixelized’ effect."))..[[]
 		container_end[]
 
@@ -1491,8 +1501,10 @@ local show_noise_formspec = function(player, noiseparams, profile_id)
 		field[3.95,0.75;1.75,0.75;value_max;]]..F(S("High color at"))..[[;]]..value_max..[[]
 		button[5.95,0.75;1.00,0.75;autocolor;]]..F(S("Auto"))..[[]
 		dropdown[7.55,0.75;1.9,0.75;nodetype;]]..nodetypes_list_str..[[;]]..nodetype_index..[[;true]
+		tooltip[nodetype;]]..F(S("Node type: Specify the type of node that you want to generate here"))..[[]
 		]]..xyzsize..[[
 		dropdown[7.55,1.95;1.9,0.75;buildmode;]]..F(S("Auto"))..","..F(S("All"))..","..F(S("High only"))..","..F(S("Low only"))..[[;]]..buildmode..[[;true]
+		tooltip[buildmode;]]..F(S("Build mode: Specify whether to place nodes for high or low noise values, or all values. Auto = “All” in 2D mode or “Low only” in 3D mode"))..[[]
 		tooltip[value_mid;]]..F(S("Noise values equal to or higher than the midpoint are treated as high values, otherwise as low values. Used for node colorization."))..[[]
 		tooltip[value_min;]]..F(S("The lowest noise value to be represented by the node color gradient."))..[[]
 		tooltip[value_max;]]..F(S("The highest noise value to be represented by the node color gradient."))..[[]
@@ -1505,8 +1517,10 @@ local show_noise_formspec = function(player, noiseparams, profile_id)
 
 		container[0,10.95]
 		button[0.25,0;3.15,1;apply;]]..F(S("Apply"))..[[]
-		]]..create_btn..[[
+		tooltip[apply;]]..F(S("Set these noise parameters and noise options as the “active noise”")).."]"..
+		create_btn..[[
 		button[6.60,0;3.15,1;toggle_autogen;]]..F(autogen_label)..[[]
+		tooltip[toggle_autogen;]]..F(S("Toggle the automatic map generator"))..[[]
 		container_end[]
 	]]
 	-- Hack to fix Minetest issue (see function comment)