diff --git a/reference/strings/functions/quotemeta.xml b/reference/strings/functions/quotemeta.xml
index b136da90c3..b1b3584413 100644
--- a/reference/strings/functions/quotemeta.xml
+++ b/reference/strings/functions/quotemeta.xml
@@ -38,7 +38,8 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   Returns the string with meta characters quoted.
+   Returns the string with meta characters quoted, or &false; if an empty
+   string is given as <parameter>str</parameter>.
   </para>
  </refsect1>