diff --git a/config/example.env b/config/example.env
index 256850edd..5ecdb38dc 100644
--- a/config/example.env
+++ b/config/example.env
@@ -34,10 +34,9 @@ GNOSISSCAN_API_URL=https://api.gnosisscan.io/api
 ETHERSCAN_API_KEY=0000000000000000000000000000000000
 GNOSISSCAN_API_KEY=0000000000000000000000000000000000
 INFURA_API_KEY=0000000000000000000000000000000000
-# It should have same value as INFURA_API_KEY, but we should use it because monoswap needs to read this from .env
-ETHEREUM_NODE_ID=
 NUMBER_OF_VERIFY_DONATION_CONCURRENT_JOB=1
-
+# Optional - polygon dedicated RPC url
+POLYGON_MAINNET_NODE_HTTP_URL=
 # This means every second
 VERIFY_DONATION_CRONJOB_EXPRESSION=0 * * * * *
 
diff --git a/config/test.env b/config/test.env
index 62462a7fd..31b57b727 100644
--- a/config/test.env
+++ b/config/test.env
@@ -158,3 +158,6 @@ CHAINVINE_ADAPTER=mock
 CHAINVINE_API_ENABLE_TEST_MODE=true
 # We should not try to verify donaitons after some hours, because checking old donations would make lots of requests to web3 providers
 DONATION_VERIFICAITON_EXPIRATION_HOURS=24
+
+# We need it for monoswap
+POLYGON_MAINNET_NODE_HTTP_URL=https://polygon-rpc.com