Update 'README.md'
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@ -20,7 +20,7 @@ Before you begin, you will need:
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3. Add the current user to the `docker` group and switch to this group:
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`sudo usermod -a -G docker $USER newgrp docker`
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`sudo usermod -a -G docker $USER && newgrp docker`
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4. Initialize Docker Swarm mode if it has not yet been initialized:
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