diff --git a/docker-compose.yml b/docker-compose.yml
index a8d57795d5b961d7d2a742c44724d533d8abbb5f..b822aa680a2bedeee6fa184e8b70643ce0860c28 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -24,8 +24,14 @@ services:
       - DB_HOST=db
       - DB_PASS=${DB_PASSWORD}
       - RPC_ENDPOINT=${RPC_ENDPOINT}
+
+      # `gdev.json` file for GDev, can be found on Duniter release pages, e.g.: https://git.duniter.org/nodes/rust/duniter-v2s/-/releases/runtime-800
       - GENESIS_FILE=${GENESIS_FILE}
+
+      # HISTORY_FILE is obtained with `cat g1-data.json | jq ".transactions_history" > transactions_history.json`
+      # `g1-data.json` can be found on Duniter release pages, e.g.: https://git.duniter.org/nodes/rust/duniter-v2s/-/releases/runtime-800
       - HISTORY_FILE=${HISTORY_FILE}
+
       # ports:
       # prometheus metrics exposed at port 3000
       # - "3000:3000"