diff --git a/packages/mermaid-layout-elk/src/render.ts b/packages/mermaid-layout-elk/src/render.ts
index c290acf96..4d124c04f 100644
--- a/packages/mermaid-layout-elk/src/render.ts
+++ b/packages/mermaid-layout-elk/src/render.ts
@@ -653,7 +653,7 @@ export const render = async (
 
       return res;
     } else {
-      // Intersection onn sides of rect
+      // Intersection on sides of rect
       if (insidePoint.x < outsidePoint.x) {
         r = outsidePoint.x - w - x;
       } else {
diff --git a/packages/mermaid/src/dagre-wrapper/edges.js b/packages/mermaid/src/dagre-wrapper/edges.js
index e88457fcd..8404e54d7 100644
--- a/packages/mermaid/src/dagre-wrapper/edges.js
+++ b/packages/mermaid/src/dagre-wrapper/edges.js
@@ -279,7 +279,7 @@ export const intersection = (node, outsidePoint, insidePoint) => {
 
     return res;
   } else {
-    // Intersection onn sides of rect
+    // Intersection on sides of rect
     if (insidePoint.x < outsidePoint.x) {
       r = outsidePoint.x - w - x;
     } else {