diff --git a/README.md b/README.md
index b58512cd414cf43b015904ddba6198a069e0f2d5..4f0c38b4a01ebc3a0b0469eaa9fdf2d16c9ad396 100644
--- a/README.md
+++ b/README.md
@@ -74,6 +74,11 @@ Run `docker-compose up -d`, which will serve a mirador instance at `http://local
 
 If sources files are modified, run `docker-compose up -d --build` to update Mirador  
 
+In case of problems of cache (like editing POC/src/index.js for changing default available manifests): 
+
++ `docker-compose build --no-cache`
++ `docker-compose up` 
+
 #### Traefik
 
 We provide a `traefik.yml` file to use behind [traefik](https://traefik.io/) this file does the following assumptions :