diff --git a/docs/feature/terraform-docs.md b/docs/feature/terraform-docs.md
new file mode 100644
index 0000000..3044f33
--- /dev/null
+++ b/docs/feature/terraform-docs.md
@@ -0,0 +1,36 @@
+---
+sidebar_position: 1130
+---
+
+# Generate document using `terraform-docs`
+
+[#1859](https://github.com/suzuki-shunsuke/tfaction/issues/1859) [#1878](https://github.com/suzuki-shunsuke/tfaction/pulls/1878) [v1.8.0](https://github.com/suzuki-shunsuke/tfaction/releases/tag/v1.8.0)
+
+## How to use
+
+By default, this feature is disabled.
+
+tfaction-root.yaml:
+
+```yaml
+terraform_docs:
+  enabled: true
+```
+
+tfaction.yaml:
+
+```yaml
+terraform_docs:
+  enabled: true
+```
+
+## terraform-docs configuration
+
+tfaction searches a configuration file:
+
+1. .terraform-docs.ya?ml in service directory
+2. .config/.terraform-docs.ya?ml in service directory
+3. .terraform-docs.ya?ml in the repository root directory
+4. .config/.terraform-docs.ya?ml in the repository root directory
+
+https://terraform-docs.io/user-guide/configuration/
diff --git a/docs/overview.md b/docs/overview.md
index f823e9d..c9f6a66 100644
--- a/docs/overview.md
+++ b/docs/overview.md
@@ -43,6 +43,7 @@ You don't have to run `terraform apply` in your laptop, and don't have to reinve
 - [Support Terraform compatible tools such as OpenTofu and Terragrunt](/tfaction/docs/feature/use-terraform-compatible-tool)
 - [Support running CI on working directories that depend on a updated local path Module](/tfaction/docs/feature/local-path-module)
 - [Generate code by `terraform plan -generate-config-out` to import resources](/tfaction/docs/feature/generate-config-out)
+- [Generate document by terraform-docs](/tfaction/docs/feature/terraform-docs)
 
 [Dynamic build matrix for Monorepo](/tfaction/docs/feature/build-matrix)