diff --git a/reference/sqlite/book.xml b/reference/sqlite/book.xml
index df7cb137ec..5036e49977 100644
--- a/reference/sqlite/book.xml
+++ b/reference/sqlite/book.xml
@@ -24,6 +24,12 @@
     (<link xlink:href="&url.sqlite;">&url.sqlite;</link>).
    </para>
   </note>
+  <note>
+   <simpara>
+    This extension offers support for SQLite 2.x. Sqlite 3.x is supported by the
+    <link linkend="book.sqlite3">SQLite3 extension</link>.
+   </simpara>
+  </note>
  </preface>
  <!-- }}} -->