updated a title in readme

Author: CluEleSsUK

README.md

@@ -57,7 +57,7 @@ includes contracts for requesting and processing signature requests using a defi
 > 💡 **Note:** You only need to extend `RandomnessReceiverBase.sol` to customize randomness requests. All other required
 > contracts are already deployed on supported networks.
 
-### Supported Network
+### Supported Networks
 
 #### Filecoin Calibnet
 
@@ -230,4 +230,4 @@ This library is licensed under the MIT License which can be accessed [here](./LI
 ## Contributing
 
 Contributions are welcome! If you find a bug, have a feature request, or want to improve the code, feel free to open an
-issue or submit a pull request.
+issue or submit a pull request.