fix(userguide): proofread and correct
fix(userguide): proofread and correct

Related to #CAM-2173
escardin/camunda-spin,camunda/camunda-spin,camunda/camunda-spin,escardin/camunda-spin,escardin/camunda-spin,camunda/camunda-spin,escardin/camunda-spin,camunda/camunda-spin