docs: mention SGML refentry also pulls text from the link

diff --git a/doc/src/sgml/README.links b/doc/src/sgml/README.links
index 2668b00d7f5d48b6013e376233939d0e94fdc2e5..5f3668d38b1a529dcd9dab12792958513ea17ada 100644 (file)
--- a/doc/src/sgml/README.links
+++ b/doc/src/sgml/README.links
@@ -8,7 +8,7 @@ Intra-document Linking
 
 <xref>
    use to get chapter/section # from the title of the target
-   link, or xreflabel if defined at the target; has no close tag
+   link, or xreflabel or refentry if defined at the target; has no close tag
    http://www.oasis-open.org/docbook/documentation/reference/html/xref.html
 
 <link>