diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 07a0a275..04002ad7 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -11,10 +11,10 @@ The repository is organized as follows:
 .
 ├── optuna_dashboard/   # The Python package.
 │   └── ts/             # TypeScript code for the Python package.
-├── standalone_app/     # Standalone application that can be run in browser or within the WebView of the VSCode extension.
+├── standalone_app/     # Standalone application that can be run in browser or within the WebView of the VS Code extension.
 │   ├── browser_app_entry.tsx   # Entry point for browser app, hosted on GitHub pages.
-│   └── vscode_entry.tsx        # Entry point for VSCode app, output placed under `vscode/assets`.
-├── vscode/             # The VSCode extension.
+│   └── vscode_entry.tsx        # Entry point for VS Code app, output placed under `vscode/assets`.
+├── vscode/             # The VS Code extension.
 └── rustlib/            # Rust library exporting Wasm functions.
     └── pkg/            # Output directory for rustlib, installed from package.json via `"./rustlib/pkg"`.
 ```
@@ -133,7 +133,7 @@ $ make serve-browser-app
 Open http://127.0.0.1:9000/
 
 
-## VSCode Extension
+## VS Code Extension
 
 ```
 $ npm i -g vsce
diff --git a/README.md b/README.md
index 91358aa7..4b38f863 100644
--- a/README.md
+++ b/README.md
@@ -75,13 +75,13 @@ $ docker run -it --rm -p 8080:8080 ghcr.io/optuna/optuna-dashboard postgresql+ps
 
 </details>
 
-## VSCode Extension (Experimental)
+## VS Code Extension (Experimental)
 
-You can install the VSCode extension via [Visual Studio Marketplace](https://marketplace.visualstudio.com/items?itemName=Optuna.optuna-dashboard#overview).
+You can install the VS Code extension via [Visual Studio Marketplace](https://marketplace.visualstudio.com/items?itemName=Optuna.optuna-dashboard#overview).
 
 ![vscode-extension](./docs/_static/vscode-extension.png)
 
-Please right-click the SQLite3 files (`*.db` or `*.sqlite3`) in the VSCode file explorer and select the "Open in Optuna Dashboard" command from the dropdown menu.
+Please right-click the SQLite3 files (`*.db` or `*.sqlite3`) in the VS Code file explorer and select the "Open in Optuna Dashboard" command from the dropdown menu.
 
 ## Features
 
diff --git a/docs/getting-started.rst b/docs/getting-started.rst
index 9d96cce5..e45b6f86 100644
--- a/docs/getting-started.rst
+++ b/docs/getting-started.rst
@@ -202,13 +202,13 @@ you can use ``google.colab.output()`` function as follows:
 
 Then please open http://localhost:8081/dashboard to browse.
 
-VSCode (Experimental)
----------------------
+VS Code (Experimental)
+----------------------
 
-You can install the VSCode extension via `Visual Studio Marketplace <https://marketplace.visualstudio.com/items?itemName=Optuna.optuna-dashboard#overview>`_.
+You can install the VS Code extension via `Visual Studio Marketplace <https://marketplace.visualstudio.com/items?itemName=Optuna.optuna-dashboard#overview>`_.
 
 .. image:: _static/vscode-extension.png
-   :alt: Screenshot for the VSCode Extension
+   :alt: Screenshot for the VS Code Extension
    :align: center
 
-Please right-click the SQLite3 files (`*.db` or `*.sqlite3`) in the VSCode file explorer and select the "Open in Optuna Dashboard" command from the dropdown menu.
+Please right-click the SQLite3 files (`*.db` or `*.sqlite3`) in the file explorer and select the "Open in Optuna Dashboard" command from the dropdown menu.
diff --git a/vscode/README.md b/vscode/README.md
index f5dc14c3..78587c37 100644
--- a/vscode/README.md
+++ b/vscode/README.md
@@ -1,4 +1,4 @@
-# Optuna Dashboard for VSCode
+# Optuna Dashboard for VS Code
 
 The Optuna Dashboard extension lets you open Optuna's SQLite3 database in Optuna Dashboard, allowing users to see optimization histories in graphs and tables.
 
@@ -6,7 +6,7 @@ The Optuna Dashboard extension lets you open Optuna's SQLite3 database in Optuna
 
 ## Usage
 
-Please right-click on the SQLite3 file (`*.db` or `*.sqlite3`) in the VSCode file explorer and select the "Open in Optuna Dashboard" command from the dropdown menu.
+Please right-click on the SQLite3 file (`*.db` or `*.sqlite3`) in the file explorer and select the "Open in Optuna Dashboard" command from the dropdown menu.
 
 ## Extension Settings
 
diff --git a/vscode/src/web/extension.ts b/vscode/src/web/extension.ts
index 3b797350..096c2337 100644
--- a/vscode/src/web/extension.ts
+++ b/vscode/src/web/extension.ts
@@ -8,7 +8,7 @@ export function activate(context: vscode.ExtensionContext) {
   let disposable = vscode.commands.registerCommand(
     "optuna-dashboard.openOptunaDashboard",
     async (fileUri: vscode.Uri) => {
-      // In VSCode, the path separator of fileUri is always '/'
+      // In VS Code, the path separator of fileUri is always '/'
       // even when using Windows.
       const title = fileUri.path.split("/").pop() || "Optuna Dashboard"
       const panel = vscode.window.createWebviewPanel(