diff --git a/AutoPriceUpdater.csproj b/AutoPriceUpdater.csproj
index 1bd8a3e..8d573ec 100644
--- a/AutoPriceUpdater.csproj
+++ b/AutoPriceUpdater.csproj
@@ -4,7 +4,7 @@
     <TargetFramework>net6.0</TargetFramework>
     <AssemblyName>AutoPriceUpdater</AssemblyName>
     <Product>Auto Price Updater</Product>
-    <Version>1.0.0</Version>
+    <Version>1.1.0</Version>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <LangVersion>latest</LangVersion>
     <RestoreAdditionalProjectSources>
diff --git a/CHANGELOG b/CHANGELOG
new file mode 100644
index 0000000..52dbfc1
--- /dev/null
+++ b/CHANGELOG
@@ -0,0 +1,19 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [1.1.0] - 2026-01-26
+
+### Added
+- New option to disable the mod
+- Configurable amount to add to the market price (can be negative)
+
+## [1.0.0] - 2026-01-23
+
+### Added
+- Initial release
+- Automatically updates the price of each product to the market price minus 0.10 ct
+- Manually updates by pressing the update key
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..2667006
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Marc Philipp Burgmann
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/Plugin.cs b/Plugin.cs
index 3548f32..0927540 100644
--- a/Plugin.cs
+++ b/Plugin.cs
@@ -18,31 +18,36 @@ public class Plugin : BasePlugin
 {
     public const string PLUGIN_GUID = "de.mpburgmann.AutoPriceUpdater";
     public const string PLUGIN_NAME = "Auto Price Updater";
-    public const string PLUGIN_VERSION = "1.0.0";
+    public const string PLUGIN_VERSION = "1.1.0";
     public static new ManualLogSource Log;
+    private static ConfigEntry<bool> EnableAutoUpdate;
+    private static ConfigEntry<float> AmountToAdd;
     public static ConfigEntry<KeyCode> UpdateKey;
     private static List<DisplaySlot> m_CachedDisplaySlots = new List<DisplaySlot>(250);
 
     public override void Load()
     {
         Log = base.Log;
+        Log.LogInfo($"Loading {PLUGIN_NAME} v{PLUGIN_VERSION}");
 
         Harmony harmony = new(PLUGIN_GUID);
         harmony.PatchAll();
 
-        UpdateKey = Config.Bind("Settings", "UpdateKey", KeyCode.F9);
+        EnableAutoUpdate = Config.Bind("Settings", "Enabled", true, "If enabled, prices will be automatically updated at the start of each day.");
+        UpdateKey = Config.Bind("Settings", "UpdateKey", KeyCode.F9, "Key to manually update prices. Not working when Enabled is false.");
+        AmountToAdd = Config.Bind("Price Settings", "Amount To Add", 0.1f, "Amount to add to market price. Can be negative.");
 
         SceneManager.sceneLoaded += (UnityAction<Scene, LoadSceneMode>) OnSceneLoaded;
-
-        Log.LogInfo($"Plugin {PLUGIN_GUID} is loaded!");
+        Log.LogInfo($"{PLUGIN_NAME} loaded successfully");
     }
 
     public static void UpdatePrice()
     {
+        if(!EnableAutoUpdate.Value) return;
         List<Pricing> pricesSetByPlayer = Singleton<SaveManager>.Instance.Price.PricesSetByPlayer;
         foreach (Pricing pricing in pricesSetByPlayer)
         {
-            pricing.Price = pricing.MarketPrice - 0.1f;
+            pricing.Price = pricing.MarketPrice + AmountToAdd.Value;
             Log.LogInfo($"Updated price for product ID {pricing.ProductID} to {pricing.Price}");
             if(Singleton<DisplayManager>.Instance.GetDisplaySlots(pricing.ProductID, false, m_CachedDisplaySlots) > 0)
             {