diff --git a/apps/explorer/lib/explorer/staking/epoch_counter.ex b/apps/explorer/lib/explorer/staking/epoch_counter.ex
index 9b50d983de..2ada66bf65 100644
--- a/apps/explorer/lib/explorer/staking/epoch_counter.ex
+++ b/apps/explorer/lib/explorer/staking/epoch_counter.ex
@@ -1,6 +1,7 @@
 defmodule Explorer.Staking.EpochCounter do
   @moduledoc """
-  Fetches current staking epoch number and the epoch end block number
+  Fetches current staking epoch number and the epoch end block number.
+  It subscribes to handle new blocks and conclude whether the epoch is over.
   """
 
   use GenServer