diff --git a/docs/DOCKER.md b/docs/DOCKER.md
index f42a61d..bcc6e45 100644
--- a/docs/DOCKER.md
+++ b/docs/DOCKER.md
@@ -40,7 +40,7 @@ In general all variables stated with ${VARIABLE:-default} inside [../docker-comp
 Once that is done, you can build and start docker services:
 
 ```bash
-# Build images (first time only)
+# Build images (first time only, and for each update)
 docker compose build
 # Run
 docker compose up # add `-d`, to run in background