diff --git a/devel/scheme/api/glue-auto-doc.en.tm b/devel/scheme/api/glue-auto-doc.en.tm
index 945d705..3d2ef31 100644
--- a/devel/scheme/api/glue-auto-doc.en.tm
+++ b/devel/scheme/api/glue-auto-doc.en.tm
@@ -3834,6 +3834,14 @@ source code.
     <scm|bool>.
   </explain>
 
+  <\explain>
+    <scm|(url-size <scm-arg|url>)>
+<explain-synopsis|no synopsis>
+  <|explain>
+    Calls the <c++> function <cpp|file_size> which returns
+    <scm|int>.
+  </explain>
+
   <\explain>
     <scm|(url-last-modified <scm-arg|url>)>
 <explain-synopsis|no synopsis>