Fix code climate example

doc/ci/examples/code_climate.md

@@ -17,7 +17,11 @@ codequality:
     - docker:stable-dind
   script:
     - export SP_VERSION=$(echo "$CI_SERVER_VERSION" | sed 's/^\([0-9]*\)\.\([0-9]*\).*/\1-\2-stable/')
-    - docker run --env SOURCE_CODE="$PWD" --volume "$PWD":/code --volume /var/run/docker.sock:/var/run/docker.sock "registry.gitlab.com/gitlab-org/security-products/codequality:$SP_VERSION" /code
+    - docker run
+        --env SOURCE_CODE="$PWD"
+        --volume "$PWD":/code
+        --volume /var/run/docker.sock:/var/run/docker.sock
+        "registry.gitlab.com/gitlab-org/security-products/codequality:$SP_VERSION" /code
   artifacts:
     paths: [codeclimate.json]
 ```