diff --git a/example/env.sample b/example/env.sample
index a909a59b..dbd9c76c 100644
--- a/example/env.sample
+++ b/example/env.sample
@@ -7,4 +7,4 @@
 # available configurations.
 
 # POLYGON ENVIRONMENT
-ENV_POLYGON={"rpcUrl":"https://polygon-mumbai.infura.io/v3/YOUR_WEB3_API_KEY","idStateContract":"0x134B1BE34911E39A8397ec6289782989729807a4","ipfsUrl":"https://[YOUR-IPFS-API-KEY]:[YOUR-IPFS-API-KEY-SECRET]@ipfs.infura.io:5001","pushUrl":"https://push-staging.polygonid.com/api/v1","chainConfigs":{"137":{"rpcUrl":"https://polygon-mainnet.infura.io/v3/YOUR_WEB3_API_KEY","stateContractAddr":"0x624ce98D2d27b20b8f8d521723Df8fC4db71D79D"},"80001":{"rpcUrl":"https://polygon-mumbai.infura.io/v3/YOUR_WEB3_API_KEY","stateContractAddr":"0x134B1BE34911E39A8397ec6289782989729807a4"}},"didMethods":[{"name":"polygonid","blockchain":"ehtereum","network":"testnet","networkFlag":"0b01000011","methodByte":"0b00000010","chainID":"80001"}],"stacktraceEncryptionKey": "ENCRYPTION_KEY"}
\ No newline at end of file
+ENV_POLYGON={"rpcUrl":"https://polygon-mumbai.infura.io/v3/YOUR_WEB3_API_KEY","idStateContract":"0x134B1BE34911E39A8397ec6289782989729807a4","ipfsUrl":"https://[YOUR-IPFS-API-KEY]:[YOUR-IPFS-API-KEY-SECRET]@ipfs.infura.io:5001","pushUrl":"https://push-staging.polygonid.com/api/v1","chainConfigs":{"137":{"rpcUrl":"https://polygon-mainnet.infura.io/v3/YOUR_WEB3_API_KEY","stateContractAddr":"0x624ce98D2d27b20b8f8d521723Df8fC4db71D79D"},"80001":{"rpcUrl":"https://polygon-mumbai.infura.io/v3/YOUR_WEB3_API_KEY","stateContractAddr":"0x134B1BE34911E39A8397ec6289782989729807a4"}},"didMethods":[{"name":"polygonid","blockchain":"ethereum","network":"testnet","networkFlag":"0b01000011","methodByte":"0b00000010","chainID":"80001"}],"stacktraceEncryptionKey": "ENCRYPTION_KEY"}