diff --git a/crushing-industry-productivity-research/changelog.txt b/crushing-industry-productivity-research/changelog.txt
index aa90e02..71e076c 100644
--- a/crushing-industry-productivity-research/changelog.txt
+++ b/crushing-industry-productivity-research/changelog.txt
@@ -1,4 +1,15 @@
 ---------------------------------------------------------------------------------------------------
+Version: 1.0.6
+Date: 14.09.2025
+  Bug Fixes:
+    - Fix a description
+---------------------------------------------------------------------------------------------------
+Version: 1.0.5
+Date: 14.09.2025
+  Changes:
+    - Add setting "Infinite productivity research"
+    - Reduce technology cost
+---------------------------------------------------------------------------------------------------
 Version: 1.0.4
 Date: 27.08.2025
   Changes:
diff --git a/crushing-industry-productivity-research/info.json b/crushing-industry-productivity-research/info.json
index b46a4d5..cbad4ef 100644
--- a/crushing-industry-productivity-research/info.json
+++ b/crushing-industry-productivity-research/info.json
@@ -1,10 +1,10 @@
 {
     "name": "crushing-industry-productivity-research",
-    "version": "1.0.4",
+    "version": "1.0.6",
     "title": "Crushing Industry - Productivity Research",
     "description": "Adds crushing productivity research to Crushing Industry and reduces the initial bonus.",
     "author": "cackling fiend",
-    "homepage": "https://discord.gg/5bevXf5W",
+    "homepage": "https://discord.gg/ufvFUJtVwk",
     "factorio_version": "2.0",
     "dependencies": [
         "base",
diff --git a/crushing-industry-productivity-research/locale/en/strings.cfg b/crushing-industry-productivity-research/locale/en/strings.cfg
index 37ec012..1eccad3 100644
--- a/crushing-industry-productivity-research/locale/en/strings.cfg
+++ b/crushing-industry-productivity-research/locale/en/strings.cfg
@@ -2,4 +2,10 @@
 ore-crushing-productivity=Ore crushing productivity
 
 [modifier-description]
-change-recipe-productivity=__1__ productivity: __2__
\ No newline at end of file
+change-recipe-productivity=__1__ productivity: __2__
+
+[mod-setting-name]
+crushing-industry-productivity-research-infinite=Infinite productivity research
+
+[mod-setting-description]
+crushing-industry-productivity-research-infinite=Productivity research is infinite instead of being capped to level 6 (which results in 25% productivity).
\ No newline at end of file
diff --git a/crushing-industry-productivity-research/prototypes/content/technology.lua b/crushing-industry-productivity-research/prototypes/content/technology.lua
index 07b9810..f569f2c 100644
--- a/crushing-industry-productivity-research/prototypes/content/technology.lua
+++ b/crushing-industry-productivity-research/prototypes/content/technology.lua
@@ -1,5 +1,7 @@
 local icons = util.technology_icon_constant_recipe_productivity(data.raw.technology["ore-crushing"].icon)
 
+local infinite = settings.startup["crushing-industry-productivity-research-infinite"].value
+
 data:extend({
     {
         type = "technology",
@@ -32,7 +34,7 @@ data:extend({
         effects = {},
         prerequisites = { "ore-crushing-productivity-1", mods["space-age"] and "space-science-pack" or "production-science-pack" },
         unit = {
-            count = 1000,
+            count = 750,
             ingredients = {
                 { "automation-science-pack", 1 },
                 { "logistic-science-pack",   1 },
@@ -47,12 +49,12 @@ data:extend({
         icons = icons,
         essential = false,
         level = 3,
-        max_level = 6,
+        max_level = infinite and "infinite" or 6,
         show_levels_info = true,
         effects = {},
         prerequisites = { "ore-crushing-productivity-2", "production-science-pack", "space-science-pack" },
         unit = {
-            count_formula = "2^(L-2)*1000",
+            count_formula = "2^(L-3)*1000",
             ingredients = {
                 { "automation-science-pack", 1 },
                 { "logistic-science-pack",   1 },
diff --git a/crushing-industry-productivity-research/settings.lua b/crushing-industry-productivity-research/settings.lua
new file mode 100644
index 0000000..d0dfb6e
--- /dev/null
+++ b/crushing-industry-productivity-research/settings.lua
@@ -0,0 +1,9 @@
+data:extend({
+    {
+        type = "bool-setting",
+        name = "crushing-industry-productivity-research-infinite",
+        setting_type = "startup",
+        default_value = false,
+        order = "a"
+    }
+})
\ No newline at end of file
diff --git a/crushing-industry-productivity-research/util.lua b/crushing-industry-productivity-research/util.lua
deleted file mode 100644
index 6df6c68..0000000
--- a/crushing-industry-productivity-research/util.lua
+++ /dev/null
@@ -1 +0,0 @@
-mod_utilmod_utilmod_utilmod_util
\ No newline at end of file