diff --git a/config.mk b/config.mk
index 61c11c2..6a25af2 100644
--- a/config.mk
+++ b/config.mk
@@ -3,6 +3,15 @@ PUBLISHER_PORT=5556
 PUBLISHER_ADDR=localhost
 
 ##### Logger/Publisher
+# LOGGERS_DIR will contains all the data generated by the loggers
+# a.k.a the ina260 power measurements
 LOGGERS_DIR=./logs
+# LOG_INTERVAL determined the duration
+# of a logging period. At the end of a logging period,
+# a file with all the power measurements is generated by the logger in LOGGERS_DIR
+# this file is then transmitted by the publisher to the subscribers
 LOG_INTERVAL=30
+# KEY is attached to all the messages published by the node
+# It allows you to filter the messages received on the client
+# if you are using multiple monitoring nodes (multiple publishers)
 KEY=node1
\ No newline at end of file