On https://www.mediawiki.org/wiki/MediaWiki-Docker/Extension/WikiLambda:
Under "Adding the services", 2nd paragraph, clarify how to run the PHPUnit test suite.
Under "Adding the services", 3rd paragraph, check and correct the 2 example links. At least one of them is inconsistent with the corresponding example on the sandbox page, and inappropriately leads to an error.
Under "Building local versions of the services", state that v2.x of docker-compose is needed. (Use of 1.x leads to a puzzling wikilambda_function_call-not-connected error.