diff --git a/packages/mermaid/src/dagre-wrapper/mermaid-graphlib.js b/packages/mermaid/src/dagre-wrapper/mermaid-graphlib.js
index ef0c2caa7..3873f8f81 100644
--- a/packages/mermaid/src/dagre-wrapper/mermaid-graphlib.js
+++ b/packages/mermaid/src/dagre-wrapper/mermaid-graphlib.js
@@ -351,7 +351,7 @@ export const extractor = (graph, depth) => {
     return;
   }
   // For clusters without incoming and/or outgoing edges, create a new cluster-node
-  // containing the nodes and edges in the custer in a new graph
+  // containing the nodes and edges in the cluster in a new graph
   // for (let i = 0;)
   let nodes = graph.nodes();
   let hasChildren = false;