diff --git a/README.md b/README.md
index ad3e5c8..5f71261 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,15 @@
 This is a template for building APIs with Clean Architecture. It contains two examples of APIs built with FastAPI and Flask.
 
 - `src` contains the source code.
+- `src/core`: business logic (use cases, entities, decorators...).
+- `src/infra`: implementations of the interfaces defined in the core.
+- `src/infra/api/fastapi`: FastAPI implementation.
+- `src/infra/api/flask`: Flask implementation.
+- `src/infra/storage/`: Fake storage implementation.
 
+## Requirements
+
+- Docker
 
 ## Prepare