diff --git a/changelog.txt b/changelog.txt
index 2eb77a6..6513c0e 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,6 +1,6 @@
 ---------------------------------------------------------------------------------------------------
 Version: 0.0.1
-Date: 2023-02-01
+Date: 2023-03-01
   Features:
     - Alpha release.
     - Adds gold, silver, platinum and palladium
diff --git a/locale/en/noble.cfg b/locale/en/noble.cfg
index 41c1e95..6ffabba 100644
--- a/locale/en/noble.cfg
+++ b/locale/en/noble.cfg
@@ -15,10 +15,14 @@ silver-plate=Silver plate
 silver-wire=Silver wire
 mlcc=MLCC
 temperature-sensor=Temperature sensor
+mainboard=Mainboard
+cpu=CPU
 palladium-ingot=Palladium ingot
 platinum-ingot=Platinum ingot
 gold-ingot=Gold ingot
 ptpd-catalyst=Industrial catalyst
+platinum-powder=Platinum powder
+palladium-powder=Palladium powder
 
 
 [item-description]
diff --git a/prototypes/catalyst.lua b/prototypes/catalyst.lua
index aefd9c7..1b4a074 100644
--- a/prototypes/catalyst.lua
+++ b/prototypes/catalyst.lua
@@ -37,7 +37,7 @@ if util.me.catalysis() then
           {"production-science-pack", 1},
         },
       },
-      prerequisites = {"production-science-pack"},
+      prerequisites = {"production-science-pack", "advanced-oil-processing"},
       order = "b-b",
     },
   })
diff --git a/prototypes/oil-updates.lua b/prototypes/oil-updates.lua
index 09ac408..63f4fa7 100644
--- a/prototypes/oil-updates.lua
+++ b/prototypes/oil-updates.lua
@@ -1,6 +1,7 @@
 local futil = require("util");
 local util = require("data-util");
 
+if util.me.catalysis() then
 local recipes_to_update = {
   "heavy-oil-cracking",
   "light-oil-cracking",
@@ -45,3 +46,4 @@ for i, recipe_name in pairs(recipes_to_update) do
     util.add_to_ingredient(recipe_name, fluid, 10)
   end
 end
+end
diff --git a/prototypes/platinum.lua b/prototypes/platinum.lua
index 4997c72..d1fac20 100644
--- a/prototypes/platinum.lua
+++ b/prototypes/platinum.lua
@@ -42,7 +42,7 @@ data:extend({
       },
     },
     effects = {
-      { type = "unlock-recipe", recipe = "palladium-ingot" },
+      { type = "unlock-recipe", recipe = "platinum-ingot" },
       { type = "unlock-recipe", recipe = "rich-copper" },
     },
     unit = {
diff --git a/prototypes/tech-updates.lua b/prototypes/tech-updates.lua
index 3dd2c81..85412d2 100644
--- a/prototypes/tech-updates.lua
+++ b/prototypes/tech-updates.lua
@@ -25,4 +25,6 @@ if mods.bzsilicon then
 end
 util.add_unlock("advanced-electronics-2", "mainboard")
 
-util.add_unlock("coal-liquefaction", "catalysis")
+util.add_prerequisite("coal-liquefaction", "catalysis")
+util.remove_prerequisite("coal-liquefaction", "production-science-pack")
+util.remove_prerequisite("coal-liquefaction", "advanced-oil-processing")