diff --git a/index.html b/index.html
index 569a9bb..d3561ad 100644
--- a/index.html
+++ b/index.html
@@ -121,7 +121,7 @@
         <div class="actions">
             <div class="btn" onclick="handleClick()" title="run the code"> RUN </div>
             <a class="help" target="_blank"
-            href="https://github.com/Kineviz/graphxr_iframe_example#1-apicommand" 
+            href="https://github.com/Kineviz/graphxr-iframe-example#1-apicommand" 
             title="api help"> ? </a>
          </div>
     </div>