Fix typo in README.md (#1296)

Author: Nolwennig-Jeulin

README.md

@@ -359,7 +359,7 @@ It is recommended to keep your root docker config files in one repository, and y
 - `bin/setup-pwa-studio-sampledata`: This script makes it easier to install Venia sample data. Pass in your base site domain, otherwise the default `master-7rqtwti-mfwmkrjfqvbjk.us-4.magentosite.cloud` will be used. Ex: `bin/setup-pwa-studio-sampledata magento.test`.
 - `bin/setup-ssl`: Generate an SSL certificate for one or more domains. Ex. `bin/setup-ssl magento.test foo.test`
 - `bin/setup-ssl-ca`: Generate a certificate authority and copy it to the host.
-- `bin/spx`: Disable or enable output compression to enable or disbale SPX. Accepts params `disable` (default) or `enable`. Ex. `bin/spx enable`
+- `bin/spx`: Disable or enable output compression to enable or disable SPX. Accepts params `disable` (default) or `enable`. Ex. `bin/spx enable`
 - `bin/start`: Start all containers, good practice to use this instead of `docker-compose up -d`, as it may contain additional helpers.
 - `bin/status`: Check the container status.
 - `bin/stop`: Stop all project containers.