diff --git a/reference/mbstring/functions/mb-strimwidth.xml b/reference/mbstring/functions/mb-strimwidth.xml
index a5df7cb2a9..3462e38482 100644
--- a/reference/mbstring/functions/mb-strimwidth.xml
+++ b/reference/mbstring/functions/mb-strimwidth.xml
@@ -20,7 +20,7 @@
    Truncates <type>string</type> <parameter>string</parameter> to specified <parameter>width</parameter>,
    where halfwidth characters count as <literal>1</literal>, and fullwidth
    characters count as <literal>2</literal>.
-   See <link xlink:href="&url.unicode.reports;">&url.unicode.reports;</link>
+   See <link xlink:href="&url.unicode.reports.tr;11/">&url.unicode.reports.tr;11/</link>
    for details regarding East Asian character widths.
   </para>
  </refsect1>
diff --git a/reference/mbstring/functions/mb-strwidth.xml b/reference/mbstring/functions/mb-strwidth.xml
index 9eff744939..d391c24eee 100644
--- a/reference/mbstring/functions/mb-strwidth.xml
+++ b/reference/mbstring/functions/mb-strwidth.xml
@@ -17,7 +17,7 @@
    Returns the width of <type>string</type> <parameter>string</parameter>,
    where halfwidth characters count as <literal>1</literal>, and fullwidth
    characters count as <literal>2</literal>.
-   See <link xlink:href="&url.unicode.reports;">&url.unicode.reports;</link>
+   See <link xlink:href="&url.unicode.reports.tr;11/">&url.unicode.reports.tr;11/</link>
    for details regarding East Asian character widths.
   </para>
   <para>