Update README.md

README.md

@@ -6,7 +6,7 @@ DESI's early data release (EDR) is available to the public, free of charge,
 at the **desidata** S3 cloud storage "bucket" on Amazon Web Services (AWS).
 
 Here, we provide a Docker image which makes it easy to work with both local and cloud-hosted DESI data.
-Our Docker image is a self-contained code environment which comes pre-packaged with
+Our Docker image is a self-contained Linux environment which comes pre-packaged with
 * A Jupyter server installed with general Python libraries for scientific programming, as well as DESI-specific libraries, and
 * A filesystem mounted to the DESI S3 bucket, which automatically downloads the data you query and nothing more.