document the site.path property in the UI model

diff --git a/docs/modules/ROOT/pages/templates.adoc b/docs/modules/ROOT/pages/templates.adoc
index caf08a9..508903e 100644 (file)
--- a/docs/modules/ROOT/pages/templates.adoc
+++ b/docs/modules/ROOT/pages/templates.adoc
@@ -34,6 +34,11 @@ Here's an overview of the available UI model:
 | site.url
 | The base URL of the site, if specified.
 
+| site.path
+| The pathname segment of the site.url under which the site is hosted (e.g., /docs).
+If the site.url is not specified, or does not contain a path, this value is empty.
+(since Antora 2.1)
+
 | site.title
 | The title of the site.