diff --git a/build.js b/build.js
index c05076ed..8c059f04 100644
--- a/build.js
+++ b/build.js
@@ -180,7 +180,7 @@ function renderEdge(edge) {
 
 function renderNode(node) {
     const strockWidth = 4
-    const fontWeight = 'bold'
+    const fontWeight = 'normal'
     const fontFamily = 'Roboto, Oxygen, Ubuntu, Cantarell, sans-serif'
 
     let textOffsetX = 15
@@ -198,6 +198,12 @@ function renderNode(node) {
             textOffsetY = 0
         }
 
+        // Format bold
+        if (node['text'].includes('**')) {
+            node['text'] = node['text'].replaceAll('**', '');
+            fontWeight = 'bold';
+        }
+
         content = `
         <style>
             p {