diff --git a/README.md b/README.md
index 30700a2..2576513 100644
--- a/README.md
+++ b/README.md
@@ -24,54 +24,7 @@ Note that the license also inherits to the output.
 - `src` *.yaml files should be written according to the [v3.0/schema.json](https://raw.githubusercontent.com/OAI/OpenAPI-Specification/main/schemas/v3.0/schema.json)
 - `dist` Do not rewrite this file as it is an automatically generated OpenAPI file.
 
-### About build
-
-- `src/openapi/**/*.yaml#/paths/*/*/parameters` will be overwritten by `src/config/parameters.yaml#/paths/~1parameters/*/parameters`
-  - This overwritten done before parsing yaml
-- `src/openapi/**/*.yaml#/paths/*/*/requestBody` will be overwritten by `src/config/parameters.yaml#/paths/~1parameters/*/requestBody`
-  - This overwritten done before parsing yaml
-- `src/openapi/**/*.yaml#/paths/*/get/responses/200/headers` will be overwritten by `src/config/headers.yaml#/components/headers`
-  - This overwritten done before parsing yaml
-- Items enclosed in double brackets are placeholders
-  - `src/config/placeholder.json` replaces it
-  - If a placeholder is used in `src/config/**/*.yaml`, the pathname is added as a prefix
-  - This substitution is done before parsing the yaml
-
-#### variable.json
-
-It can be written as `{% if variable == value %}` `{ endif }`
-
-| lang | description|
-|---|---|
-| docs | Outputs the most correct swagger syntax |
-| typescript | Since it is difficult to handle default values with the typescript generator, we refer to `src/config/placeholder.json` and handle default values |
-| dart | Basically the same as typescript, but headers are processed as parameters |
-
-##### *_parameters = string
-
-- This is defined in `src/config/parameters.yaml`
-- Replace `src/config/placeholder.json` as an string
-
-##### *_parameters = object
-
-- This is defined in `src/config/parameters.yaml`
-- Replace `src/config/placeholder.json` as an object
-
-##### *_parameters = schema_content
-
-- The schema automatically generated from the `src/config/placeholder.json` is replaced with `src/openapi/**/*.yaml#/paths/*/*/parameters`
-- Some generators cannot handle it correctly because it generates the syntax introduced in swagger 3.0
-- This is defined in `tools/build.py`
-
-##### *_parameters = schema_parameters
-
-- The schema automatically generated from the `src/config/placeholder.json` is replaced with `src/openapi/**/*.yaml#/paths/*/*/parameters`
-
-##### *_parameters = schema_request_body
-
-- The schema automatically generated from the `src/config/placeholder.json` is replaced with `src/openapi/**/*.yaml#/paths/*/*/requestBody`
-
-#### command
+### build
 
 ```shell
 python -V # Python 3.10.8