update link

README.md

@@ -41,7 +41,7 @@ BSC_RPC="..."
 POLYGON_RPC="..."
 ```
 
-The name of each rpc is `{CHAIN-NAME}_RPC`, and the name we use for each chain can be found [here](https://github.com/DefiLlama/defillama-sdk/blob/master/src/providers.json)
+The name of each rpc is `{CHAIN-NAME}_RPC`, and the name we use for each chain can be found [here](https://unpkg.com/@defillama/sdk@5.0.116/build/providers.json). If you run into issues with a chain make sure to update the sdk with `npm update @defillama/sdk`.
 
 ## Adapter rules
 - Never add extra npm packages, if you need a chain-level package for your chain, ask us and we'll consider it, but we can't accept any npm package that is project-specific