diff --git a/doc/src/sgml/release-13.sgml b/doc/src/sgml/release-13.sgml
index 0ca970e452..f7852c8618 100644
--- a/doc/src/sgml/release-13.sgml
+++ b/doc/src/sgml/release-13.sgml
@@ -37,7 +37,7 @@
     </listitem>
     <listitem>
      <para>
-      Parallelized vacuuming of B-tree indexes
+      Parallelized vacuuming of indexes
      </para>
     </listitem>
     <listitem>