diff --git a/README.md b/README.md
index 0be5739..8e3bbb6 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,83 @@
 # CMake Action
 
+[![latest version](https://img.shields.io/github/v/release/threeal/cmake-action)](https://github.com/threeal/cmake-action/releases/)
+[![license](https://img.shields.io/github/license/threeal/cmake-action)](./LICENSE)
 [![test status](https://img.shields.io/github/actions/workflow/status/threeal/cmake-action/test.yml?label=test&branch=main)](https://github.com/threeal/cmake-action/actions/workflows/test.yml)
 
-Configure and build [CMake](https://cmake.org/) project on [GitHub Actions](https://github.com/features/actions).
+Configure and build a [CMake](https://cmake.org/) project on [GitHub Actions](https://github.com/features/actions).
+
+## Usage
+
+For more information, see [action.yml](./action.yml) and [GitHub Actions guide](https://docs.github.com/en/actions/learn-github-actions/understanding-github-actions).
+
+### Inputs
+
+> Note: All inputs are optional.
+
+| Name | Value Type | Description |
+| --- | --- | --- |
+| `source-dir` | Path | Source directory of the CMake project. Defaults to current directory. |
+| `build-dir` | Path | Build directory of the CMake project. Defaults to `build` directory in current directory. |
+| `targets` | Multiple strings | List of build targets. Could be specified more than one. Separate each target with a space or a new line. |
+| `generator` | String | Build system generator of the CMake project. |
+| `c-compiler` | String | Preferred executable for compiling C language files. |
+| `cxx-compiler` | String | Preferred executable for compiling CXX language files. |
+| `args` | Multiple strings | Additional arguments passed during the CMake configuration. Could be specified more than one. Separate each target with a space or a new line. |
+
+### Examples
+
+```yaml
+name: build
+on:
+  push:
+jobs:
+  build-project:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out this repository
+        uses: actions/checkout@v3.3.0
+
+      - name: Configure and build this project
+        uses: threeal/cmake-action@latest
+```
+
+> Note: You can replace `@latest` with any version you like.
+
+#### Using Different Directories
+
+```yaml
+- name: Configure and build this project
+  uses: threeal/cmake-action@latest
+  with:
+    source-dir: submodules
+    build-dir: submodules/build
+```
+
+#### Build Custom Targets
+
+```yaml
+- name: Configure and build this project
+  uses: threeal/cmake-action@latest
+  with:
+    targets: hello_world_test fibonacci_test
+    args: |
+      -DBUILD_TESTING=ON
+      -DCMAKE_CXX_FLAGS='-Werror'
+```
+
+#### Build Using Ninja and Clang
+
+```yaml
+- name: Configure and build this project
+  uses: threeal/cmake-action@latest
+  with:
+    generator: Ninja
+    c-compiler: clang
+    cxx-compiler: clang++
+```
+
+## License
+
+This project is licensed under the terms of the [MIT License](./LICENSE).
+
+Copyright © 2023 [Alfi Maulana](https://github.com/threeal/)
diff --git a/action.yml b/action.yml
index fe0ba87..f2e549a 100644
--- a/action.yml
+++ b/action.yml
@@ -1,32 +1,32 @@
 name: CMake Action
-description: Configure and build CMake project
+description: Configure and build a CMake project
 author: Alfi Maulana
 branding:
   color: gray-dark
   icon: terminal
 inputs:
   source-dir:
-    description: The source directory of CMake project
+    description: Source directory of the CMake project
     required: false
     default: .
   build-dir:
-    description: The build directory of CMake project
+    description: Build directory of the CMake project
     required: false
     default: build
   targets:
     description: List of build targets
     required: false
   generator:
-    description: The build system generator of the CMake project
+    description: Build system generator of the CMake project
     required: false
   c-compiler:
-    description: The preferred executable for compiling C language files
+    description: Preferred executable for compiling C language files
     required: false
   cxx-compiler:
-    description: The preferred executable for compiling CXX language files
+    description: Preferred executable for compiling CXX language files
     required: false
   args:
-    description: Additional arguments passed during CMake configuration
+    description: Additional arguments passed during the CMake configuration
     required: false
 runs:
   using: composite