tweaks

README.rst

@@ -193,16 +193,16 @@ and ``--tmp-outdir-prefix`` to somewhere under ``/Users``::
 Docker default platform on macOS with Apple Silicon
 ===================================================
 
-If macOS cwltool users want to run tools/workflows that reference software containers that only support amd64 (64-bit x86), but they have an Apple Silicon (aarch64/arm64) CPU,
+If macOS users want to run CWL tools/workflows using ``cwltool`` with Docker and their software containers only have support for amd64 (64-bit x86) CPUs, but they have an Apple Silicon (aarch64/arm64) CPU,
 they run into the error:
 
-``WARNING: The requested image's platform (linux/amd64) does not match the detected host platform (linux/arm64/v8) and no specific platform was requested``. 
+  WARNING: The requested image's platform (linux/amd64) does not match the detected host platform (linux/arm64/v8) and no specific platform was requested.
 
-To circumvent this, export the following environment variable before executing the `cwltool`:
+To fix this, export the following environment variable before executing `cwltool`:
 
 ``export DOCKER_DEFAULT_PLATFORM=linux/amd64``
 
-To automatically enable this variable in new shells, this can be added to the respective shell profiles (e.g. ``~/.zshrc``, ``~/.bash_profile``).
+To automically have this variable set in the future, add the same command to ones respective shell profile (e.g. ``~/.zshrc``, ``~/.bash_profile``).
 
 
 Using uDocker