fixed typo

Author: krofax

pages/builders/chain-operators/tools/op-deployer.mdx

@@ -17,7 +17,7 @@ The recommended way to install `op-deployer` is to download the latest release f
 [release page](https://github.com/ethereum-optimism/optimism/releases). To install a release, download the binary
 for your platform then extract it somewhere on your `PATH`. 
 
-Run the following commad:
+Run the following command:
   ```bash
   cd op-deployer && just build
   ```