diff --git a/doc/src/sgml/runtime.sgml b/doc/src/sgml/runtime.sgml
index 2c4d5ef640..63669f2d2e 100644
--- a/doc/src/sgml/runtime.sgml
+++ b/doc/src/sgml/runtime.sgml
@@ -1431,9 +1431,9 @@ export PG_OOM_ADJUST_VALUE=0
     the operating system to provide enough huge pages of the desired size.
     To determine the number of huge pages needed, use the
     <command>postgres</command> command to see the value of
-    <xref linkend="guc-shared-memory-size-in-huge-pages"/>.  Note that the
-    server must be shut down to view this runtime-computed parameter.
-    This might look like:
+    <xref linkend="guc-shared-memory-size-in-huge-pages"/>.  This parameter
+    can be viewed before starting the server with a <command>postgres</command>
+    command like:
 <programlisting>
 $ <userinput>postgres -D $PGDATA -C shared_memory_size_in_huge_pages</userinput>
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