diff --git a/cypress/integration/rendering/flowchart-v2.spec.js b/cypress/integration/rendering/flowchart-v2.spec.js
index eaa14ed50..305c55b21 100644
--- a/cypress/integration/rendering/flowchart-v2.spec.js
+++ b/cypress/integration/rendering/flowchart-v2.spec.js
@@ -172,7 +172,7 @@ describe('Flowchart v2', () => {
     );
   });
 
-  it('52: handle nested subgraphs in several levels', () => {
+  it('52: handle nested subgraphs in several levels.', () => {
     imgSnapshotTest(
       `flowchart TB
     b-->B
diff --git a/packages/mermaid/src/diagrams/c4/c4Renderer.js b/packages/mermaid/src/diagrams/c4/c4Renderer.js
index 28600241c..e60e58f21 100644
--- a/packages/mermaid/src/diagrams/c4/c4Renderer.js
+++ b/packages/mermaid/src/diagrams/c4/c4Renderer.js
@@ -220,7 +220,7 @@ export const drawC4ShapeArray = function (currentBounds, diagram, c4ShapeArray,
     let c4ShapeTypeConf = c4ShapeFont(conf, c4Shape.typeC4Shape.text);
     c4ShapeTypeConf.fontSize = c4ShapeTypeConf.fontSize - 2;
     c4Shape.typeC4Shape.width = calculateTextWidth(
-      '<<' + c4Shape.typeC4Shape.text + '>>',
+      '«' + c4Shape.typeC4Shape.text + '»',
       c4ShapeTypeConf
     );
     c4Shape.typeC4Shape.height = c4ShapeTypeConf.fontSize + 2;