docs: fix file misnaming (#103)

README.md

@@ -150,7 +150,7 @@ $ ./bin/eigenda-proxy \
 
 We also provide network-specific example env configuration files in `.env.example.holesky` and `.env.example.mainnet` as a place to get started:
 
-1. Copy example env file: `cp .env.holesky.example .env`
+1. Copy example env file: `cp .env.example.holesky .env`
 2. Update env file, setting `EIGENDA_PROXY_SIGNER_PRIVATE_KEY_HEX`. On mainnet you will also need to set `EIGENDA_PROXY_ETH_RPC`.
 3. Pass into binary: `ENV_PATH=.env ./bin/eigenda-proxy --addr 127.0.0.1 --port 3100`
 
@@ -208,4 +208,4 @@ An E2E test exists which spins up a local OP sequencer instance using the [op-e2
 
 * [op-stack](https://github.com/ethereum-optimism/optimism)
 * [Alt-DA spec](https://specs.optimism.io/experimental/alt-da.html)
-* [eigen da](https://github.com/Layr-Labs/eigenda)
+* [eigen da](https://github.com/Layr-Labs/eigenda)