diff --git a/playground/matplus/marco-thom/My call activity.bpmn b/playground/matplus/marco-thom/My call activity.bpmn
index a90dadb0..50f1f995 100644
--- a/playground/matplus/marco-thom/My call activity.bpmn	
+++ b/playground/matplus/marco-thom/My call activity.bpmn	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" id="Definitions_96f6665" targetNamespace="http://bpmn.io/schema/bpmn" exporter="Camunda Modeler" exporterVersion="3.0.0-dev">
-  <bpmn:process id="marcos_cal_activity" name="Marcos call activity" isExecutable="true">
+  <bpmn:process id="marcos_call_activity" name="Marcos call activity" isExecutable="true">
     <bpmn:startEvent id="StartEvent_1" />
     <bpmn:startEvent id="Event_0tcpngl">
       <bpmn:outgoing>Flow_1q3ykqy</bpmn:outgoing>
@@ -16,7 +16,7 @@
     <bpmn:sequenceFlow id="Flow_0rj2vpi" sourceRef="Activity_00s3kb9" targetRef="Event_02fep1a" />
   </bpmn:process>
   <bpmndi:BPMNDiagram id="BPMNDiagram_1">
-    <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="marcos_cal_activity">
+    <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="marcos_call_activity">
       <bpmndi:BPMNShape id="_BPMNShape_StartEvent_2" bpmnElement="StartEvent_1">
         <dc:Bounds x="179" y="159" width="36" height="36" />
       </bpmndi:BPMNShape>