chor(examples): fix typos
chor(examples): fix typos

related to #CAM-7359

camunda/camunda-bpm-examples,camunda/camunda-bpm-examples,ingorichtsmeier/camunda-bpm-examples,camunda/camunda-bpm-examples,camunda/camunda-bpm-examples,ingorichtsmeier/camunda-bpm-examples,ingorichtsmeier/camunda-bpm-examples