diff --git a/docs/en/conf.py b/docs/en/conf.py
index 425c6a0a9..59c8bf856 100644
--- a/docs/en/conf.py
+++ b/docs/en/conf.py
@@ -105,6 +105,7 @@ def get_version():
 html_css_files = ['css/readthedocs.css']
 
 myst_enable_extensions = ['colon_fence']
+myst_heading_anchors = 3
 
 
 def builder_inited_handler(app):