diff --git a/changelog.md b/changelog.md
new file mode 100644
index 0000000..5d6d06b
--- /dev/null
+++ b/changelog.md
@@ -0,0 +1,134 @@
+# Changelog
+
+## 2024-10-02 - 2.0.18 - fix(core)
+Fix type errors and typos in Smartstate class
+
+- Updated type annotation in Smartstate class to ensure StatePartNameType extends string.
+- Fixed a typo in the JSDoc comment: 'existing' instead of 'exiting'.
+- Corrected improper type casting in the Smartstate class.
+
+## 2024-05-29 - 2.0.17 - Maintenance
+General updates and improvements.
+
+- Updated project description
+- Multiple updates to `tsconfig`
+- Updated `npmextra.json` to include `githost`
+
+## 2023-10-07 - 2.0.16 - Maintenance
+General updates and improvements.
+
+- Core update
+
+## 2023-10-04 - 2.0.15 - Maintenance
+General updates and improvements.
+
+- Core update
+
+## 2023-10-03 - 2.0.14 to 2.0.10 - Maintenance
+General updates and improvements.
+
+- Core updates
+
+## 2023-09-11 - 2.0.9 - Maintenance
+General updates and improvements.
+
+- Core update
+
+## 2023-09-11 - 2.0.8 - Maintenance
+General updates and improvements.
+
+- Core update
+
+## 2023-07-27 - 2.0.7 - Maintenance
+General updates and improvements.
+
+- Core update
+
+## 2023-07-27 - 2.0.6 - Maintenance
+General updates and improvements.
+
+- Core update
+
+## 2023-04-13 - 2.0.5 - Maintenance
+General updates and improvements.
+
+- Core update
+
+## 2023-04-12 - 2.0.4 - Maintenance
+General updates and improvements.
+
+- Core update
+
+## 2023-04-04 - 2.0.3 to 2.0.1 - Maintenance
+General updates and improvements.
+
+- Core updates
+
+## 2023-03-15 - 2.0.0 - Major Update
+Core update with significant changes.
+
+## 2022-03-25 - 1.0.23 - Major Update
+Breaking changes and major updates.
+
+- SWITCH TO ESM
+
+## 2022-01-24 - 1.0.22 - Maintenance
+General updates and improvements.
+
+- Core updates
+
+## 2020-11-30 - 1.0.21 to 1.0.20 - Maintenance
+General updates and improvements.
+
+- Core updates
+
+## 2020-11-30 - 1.0.19 to 1.0.18 - Maintenance
+General updates and improvements.
+
+- Core updates
+
+## 2020-07-27 - 1.0.17 to 1.0.16 - Maintenance
+General updates and improvements.
+
+- Core updates
+
+## 2020-05-27 - 1.0.15 - Maintenance
+General updates and improvements.
+
+- Core update
+
+## 2020-05-27 - 1.0.14 - Maintenance
+General updates and improvements.
+
+- Core update
+
+## 2019-09-25 - 1.0.13 - Maintenance
+General updates and improvements.
+
+- Core update
+
+## 2019-09-25 - 1.0.12 - Maintenance
+General updates and improvements.
+
+- Core updates
+
+## 2019-04-30 - 1.0.11 to 1.0.10 - Maintenance
+General updates and improvements.
+
+- Core updates
+
+## 2019-03-22 - 1.0.9 - Maintenance
+General updates and improvements.
+
+- Core update
+
+## 2019-02-27 - 1.0.8 - Minor Update
+Minor updates and improvements.
+
+- Updated action generation
+- Core update
+
+## 2019-02-21 - 1.0.7 - Initial Release
+Initial release of the project.
+
+- Initial core implementation
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 1e1675f..4c011f1 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -1,8 +1,8 @@
 /**
- * autocreated commitinfo by @pushrocks/commitinfo
+ * autocreated commitinfo by @push.rocks/commitinfo
  */
 export const commitinfo = {
   name: '@push.rocks/smartstate',
-  version: '2.0.17',
-  description: 'a package that handles state in a good way'
+  version: '2.0.18',
+  description: 'A package for handling and managing state in applications.'
 }
diff --git a/ts/smartstate.classes.smartstate.ts b/ts/smartstate.classes.smartstate.ts
index ec536cb..6802735 100644
--- a/ts/smartstate.classes.smartstate.ts
+++ b/ts/smartstate.classes.smartstate.ts
@@ -6,26 +6,26 @@ export type TInitMode = 'soft' | 'mandatory' | 'force' | 'persistent';
 /**
  * Smartstate takes care of providing state
  */
-export class Smartstate<StatePartNameType> {
-  public statePartMap: { [key: string]: StatePart<StatePartNameType, any> } = {};
+export class Smartstate<StatePartNameType extends string> {
+  public statePartMap: { [key in StatePartNameType]?: StatePart<StatePartNameType, any> } = {};
 
   constructor() {}
 
   /**
    * Allows getting and initializing a new statepart
    * initMode === 'soft' it will allow existing stateparts
-   * initMode === 'mandatory' will fail if there is an exiting statepart
+   * initMode === 'mandatory' will fail if there is an existing statepart
    * initMode === 'force' will overwrite any existing statepart
    * @param statePartNameArg
    * @param initialArg
    * @param initMode
    */
   public async getStatePart<PayloadType>(
-    statePartNameArg: string & StatePartNameType,
+    statePartNameArg: StatePartNameType,
     initialArg?: PayloadType,
     initMode?: TInitMode
   ): Promise<StatePart<StatePartNameType, PayloadType>> {
-    if (this.statePartMap[statePartNameArg as any]) {
+    if (this.statePartMap[statePartNameArg]) {
       if (initialArg && (!initMode || initMode !== 'soft')) {
         throw new Error(
           `${statePartNameArg} already exists, yet you try to set an initial state again`
@@ -43,7 +43,7 @@ export class Smartstate<StatePartNameType> {
   }
 
   /**
-   * creates a statepart
+   * Creates a statepart
    * @param statePartName
    * @param initialPayloadArg
    */
@@ -54,10 +54,12 @@ export class Smartstate<StatePartNameType> {
   ): Promise<StatePart<StatePartNameType, PayloadType>> {
     const newState = new StatePart<StatePartNameType, PayloadType>(
       statePartName,
-      initMode === 'persistent' ? {
-        dbName: 'smartstate',
-        storeName: statePartName as any,
-      } : null
+      initMode === 'persistent'
+        ? {
+            dbName: 'smartstate',
+            storeName: statePartName,
+          }
+        : null
     );
     await newState.init();
     const currentState = newState.getState();
@@ -65,7 +67,7 @@ export class Smartstate<StatePartNameType> {
       ...initialPayloadArg,
       ...currentState,
     });
-    this.statePartMap[statePartName as any] = newState;
+    this.statePartMap[statePartName] = newState;
     return newState;
   }
-}
+}
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