diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index e6855f39..0df5844a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -26,4 +26,4 @@ We accept pull requests only in English. When a pull request is posted in a lang
 
 ### Coding style
 
-Please use [eslint](.eslintrc.json) to verify that your contribution matches our coding style. Additionally we use [prettier](.prettierrc) to auto-format the code. All pull requests that don't match the coding style won't be accepted.
+Please use [eslint](.eslintrc.json) to verify that your contribution matches our coding style. Additionally, we use [prettier](.prettierrc) to auto-format the code. All pull requests that don't match the coding style won't be accepted.
diff --git a/src/main/Core/AppleScriptUtility/Contract/AppleScriptUtility.ts b/src/main/Core/AppleScriptUtility/Contract/AppleScriptUtility.ts
index 68af9a55..1c8889ac 100644
--- a/src/main/Core/AppleScriptUtility/Contract/AppleScriptUtility.ts
+++ b/src/main/Core/AppleScriptUtility/Contract/AppleScriptUtility.ts
@@ -1,5 +1,5 @@
 /**
- * Offers methots to execute AppleScript commands.
+ * Offers methods to execute AppleScript commands.
  */
 export interface AppleScriptUtility {
     /**
diff --git a/src/main/Core/SingleInstanceLock/SingleInstanceLockModule.test.ts b/src/main/Core/SingleInstanceLock/SingleInstanceLockModule.test.ts
index bbb65498..34bedd37 100644
--- a/src/main/Core/SingleInstanceLock/SingleInstanceLockModule.test.ts
+++ b/src/main/Core/SingleInstanceLock/SingleInstanceLockModule.test.ts
@@ -1,13 +1,13 @@
 import type { App } from "electron";
 import { describe, expect, it, vi } from "vitest";
-import { SingleInstaneLockModule } from "./SingleInstanceLockModule";
+import { SingleInstanceLockModule } from "./SingleInstanceLockModule";
 
-describe(SingleInstaneLockModule, () => {
+describe(SingleInstanceLockModule, () => {
     it("should request single instance lock", () => {
         const requestSingleInstanceLockMock = vi.fn().mockReturnValue(true);
         const quickMock = vi.fn();
 
-        SingleInstaneLockModule.bootstrap(<App>{
+        SingleInstanceLockModule.bootstrap(<App>{
             requestSingleInstanceLock: () => requestSingleInstanceLockMock(),
             quit: () => quickMock(),
         });
@@ -21,7 +21,7 @@ describe(SingleInstaneLockModule, () => {
 
         const quickMock = vi.fn();
 
-        SingleInstaneLockModule.bootstrap(<App>{
+        SingleInstanceLockModule.bootstrap(<App>{
             requestSingleInstanceLock: () => requestSingleInstanceLockMock(),
             quit: () => quickMock(),
         });
diff --git a/src/main/Core/SingleInstanceLock/SingleInstanceLockModule.ts b/src/main/Core/SingleInstanceLock/SingleInstanceLockModule.ts
index 12f96d04..93a45198 100644
--- a/src/main/Core/SingleInstanceLock/SingleInstanceLockModule.ts
+++ b/src/main/Core/SingleInstanceLock/SingleInstanceLockModule.ts
@@ -1,6 +1,6 @@
 import type { App } from "electron";
 
-export class SingleInstaneLockModule {
+export class SingleInstanceLockModule {
     public static bootstrap(app: App) {
         if (!app.requestSingleInstanceLock()) {
             console.log("Quitting application. Reason: another instance is already running");
diff --git a/src/main/index.ts b/src/main/index.ts
index dcc7c65f..f46562e4 100644
--- a/src/main/index.ts
+++ b/src/main/index.ts
@@ -7,7 +7,7 @@ import * as Extensions from "./Extensions";
 (async () => {
     await Electron.app.whenReady();
 
-    Core.SingleInstaneLockModule.bootstrap(Electron.app);
+    Core.SingleInstanceLockModule.bootstrap(Electron.app);
     Core.DockModule.bootstrap(Electron.app);
 
     const dependencyRegistry = Core.DependencyRegistryModule.bootstrap();