diff --git a/doc/src/sgml/runtime.sgml b/doc/src/sgml/runtime.sgml
index c8698898f3..f705c4fec1 100644
--- a/doc/src/sgml/runtime.sgml
+++ b/doc/src/sgml/runtime.sgml
@@ -2194,7 +2194,8 @@ pg_dumpall -p 5432 | psql -d postgres -p 5433
    can also be appended to the file.  Doing this avoids the necessity of
    storing intermediate certificates on clients, assuming the root and
    intermediate certificates were created with <literal>v3_ca</literal>
-   extensions.  This allows easier expiration of intermediate certificates.
+   extensions (which sets <literal>CA:TRUE</literal> on certificates).
+   This allows easier expiration of intermediate certificates.
   </para>
 
   <para>