doc: Fix style of description for pg_buffercache_numa.os_page_num

Extracted from a larger patch by the same author.

Author: Bertrand Drouvot <[email protected]>
Discussion: https://postgr.es/m/Z/[email protected]

diff --git a/doc/src/sgml/pgbuffercache.sgml b/doc/src/sgml/pgbuffercache.sgml
index eeb85a0e04908578980e6beaac90c5f2df68bda4..99ad2e687853789b86406fd484ab0b9e72434231 100644 (file)
--- a/doc/src/sgml/pgbuffercache.sgml
+++ b/doc/src/sgml/pgbuffercache.sgml
@@ -278,7 +278,7 @@
        <structfield>os_page_num</structfield> <type>bigint</type>
       </para>
       <para>
-       number of OS memory page for this buffer
+       Number of OS memory page for this buffer
       </para></entry>
      </row>