Wrong variables url:
http://docs.camunda.org/api-references/rest/#!/execution/get-local-variables
Is /execution/

{id}/variables, should be /execution/{id}

/localVariables

Wrong: link label in the method's description:
http://docs.camunda.org/api-references/rest/#!/execution/get-query
Link is named "get instances count", should be "get executions count"