diff --git a/docs/creating-your-site.md b/docs/creating-your-site.md
index 0b1ada2a6..1168109b0 100644
--- a/docs/creating-your-site.md
+++ b/docs/creating-your-site.md
@@ -66,6 +66,7 @@ theme:
               "yaml.customTags": [ // (1)!
                 "!ENV scalar",
                 "!ENV sequence",
+                "!relative scalar",
                 "tag:yaml.org,2002:python/name:material.extensions.emoji.to_svg",
                 "tag:yaml.org,2002:python/name:material.extensions.emoji.twemoji",
                 "tag:yaml.org,2002:python/name:pymdownx.superfences.fence_code_format"