Update pkg/docker/docker.go

Co-authored-by: Adam Kaplan <adam.kaplan@redhat.com>

pkg/docker/docker.go

@@ -318,7 +318,11 @@ func NewEngineAPIClient(config *api.DockerConfig) (*dockerapi.Client, error) {
 			},
 		}
 	}
-
+        // Create a new docker client with the provided host endpoint and HTTP Client.
+        // By default, this client will negotiate the Docker API version to use with the backend engine on the first request.
+        // The API version to use can be fixed by setting the DOCKER_API_VERSION environment variable.
+        // See https://pkg.go.dev/github.com/docker/docker/client#WithAPIVersionNegotiation and
+        // https://pkg.go.dev/github.com/docker/docker/client#WithVersionFromEnv for more information
 	return dockerapi.NewClientWithOpts(
 		dockerapi.WithHost(config.Endpoint),
 		dockerapi.WithHTTPClient(httpClient),