diff --git a/rules/camunda-cloud/collapsed-subprocess.js b/rules/camunda-cloud/collapsed-subprocess.js
index 98bcd9b5..66adbabc 100644
--- a/rules/camunda-cloud/collapsed-subprocess.js
+++ b/rules/camunda-cloud/collapsed-subprocess.js
@@ -16,7 +16,7 @@ module.exports = skipInNonExecutableProcess(function() {
     const node = di.bpmnElement;
 
     const error = {
-      message: `A <${ node.$type }> must be expanded.`,
+      message: `A <${ node.$type }> must be expanded`,
       data: {
         type: ERROR_TYPES.ELEMENT_COLLAPSED_NOT_ALLOWED,
         node: node,
diff --git a/test/camunda-cloud/collapsed-subprocess.spec.js b/test/camunda-cloud/collapsed-subprocess.spec.js
index 34793735..5a1c4c7d 100644
--- a/test/camunda-cloud/collapsed-subprocess.spec.js
+++ b/test/camunda-cloud/collapsed-subprocess.spec.js
@@ -75,7 +75,7 @@ const invalid = [
     `)),
     report: {
       id: 'SubProcess_1',
-      message: 'A <bpmn:SubProcess> must be expanded.',
+      message: 'A <bpmn:SubProcess> must be expanded',
       data: {
         type: ERROR_TYPES.ELEMENT_COLLAPSED_NOT_ALLOWED,
         node: 'SubProcess_1',
@@ -101,7 +101,7 @@ const invalid = [
     `)),
     report: {
       id: 'SubProcess_1',
-      message: 'A <bpmn:SubProcess> must be expanded.',
+      message: 'A <bpmn:SubProcess> must be expanded',
       data: {
         type: ERROR_TYPES.ELEMENT_COLLAPSED_NOT_ALLOWED,
         node: 'SubProcess_1',
@@ -124,7 +124,7 @@ const invalid = [
     `)),
     report: {
       id: 'SubProcess_1',
-      message: 'A <bpmn:SubProcess> must be expanded.',
+      message: 'A <bpmn:SubProcess> must be expanded',
       data: {
         type: ERROR_TYPES.ELEMENT_COLLAPSED_NOT_ALLOWED,
         node: 'SubProcess_1',
@@ -150,7 +150,7 @@ const invalid = [
     `)),
     report: {
       id: 'SubProcess_1',
-      message: 'A <bpmn:AdHocSubProcess> must be expanded.',
+      message: 'A <bpmn:AdHocSubProcess> must be expanded',
       data: {
         type: ERROR_TYPES.ELEMENT_COLLAPSED_NOT_ALLOWED,
         node: 'SubProcess_1',