diff --git a/packages/substrate/README.md b/packages/substrate/README.md
index 8d0638106..f226ed806 100644
--- a/packages/substrate/README.md
+++ b/packages/substrate/README.md
@@ -14,7 +14,7 @@ or
 npm install @buildwithsygma/substrate
 ```
 
-## Environment Setup
+## Environment Setup.
 
 Make sure to set environment variable `SYGMA_ENV` to either `TESTNET` or `MAINNET` prior to using the SDK.