diff --git a/README.md b/README.md
index 7ca8659..b4656de 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# T4 devkit
+# t4-devkit
 
 A toolkit to load and operate T4 dataset.
 
@@ -52,6 +52,10 @@ source .venv/bin/activate
 
 ### Visualization
 
+`t4-devkit` provides a set of visualization tools to help you understand the data.
+
+More details, please refer to [`t4viz` CLI](./docs/cli/t4viz.md) or [API usage](./docs/tutorials/render.md).
+
 | Feature | Task                        | Support |
 | :------ | :-------------------------- | :-----: |
 | 3D      | 3D Boxes                    |   ✅    |
@@ -65,3 +69,9 @@ source .venv/bin/activate
 |         | Raw PointCloud on Image     |   ✅    |
 | Map     | Vector Map                  |   ✅    |
 |         | Ego Position on Street View |   ✅    |
+
+### Sanity Checks
+
+`t4-devkit` provides a set of sanity checks to ensure the correctness of the data.
+
+More details, please refer to [`t4sanity` CLI](./docs/cli/t4sanity.md) or [API usage](./docs/tutorials/sanity.md).
diff --git a/docs/index.md b/docs/index.md
index 5818990..aacbba6 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -10,6 +10,10 @@
 
 ### Visualization
 
+`t4-devkit` provides a set of visualization tools to help you understand the data.
+
+More details, please refer to [`t4viz` CLI](./cli/t4viz.md) or [API usage](./tutorials/render.md).
+
 | Feature | Task                        | Support |
 | :------ | :-------------------------- | :-----: |
 | 3D      | 3D Boxes                    |   ✅    |
@@ -23,3 +27,9 @@
 |         | Raw PointCloud on Image     |   ✅    |
 | Map     | Vector Map                  |   ✅    |
 |         | Ego Position on Street View |   ✅    |
+
+### Sanity Checks
+
+`t4-devkit` provides a set of sanity checks to ensure the correctness of the data.
+
+More details, please refer to [`t4sanity` CLI](./cli/t4sanity.md) or [API usage](./tutorials/sanity.md).
diff --git a/mkdocs.yaml b/mkdocs.yaml
index 0c3b126..d0c39ae 100644
--- a/mkdocs.yaml
+++ b/mkdocs.yaml
@@ -1,4 +1,4 @@
-site_name: T4 dataset devkit
+site_name: t4-devkit
 repo_url: https://github.com/tier4/t4-devkit
 repo_name: tier4/t4-devkit