diff --git a/reference/datetime/datetime/createfromformat.xml b/reference/datetime/datetime/createfromformat.xml
index 643db5339e..164930b55b 100644
--- a/reference/datetime/datetime/createfromformat.xml
+++ b/reference/datetime/datetime/createfromformat.xml
@@ -160,8 +160,8 @@ Format: !d; 1970-01-15 00:00:00
  <refsect1 role="seealso">
   &reftitle.seealso;
   <simplelist>
-   <member><methodname>DateTime::__construct</methodname></member>
-   <member><methodname>DateTime::getLastErrors</methodname></member>
+   <member><function>DateTime::__construct</function></member>
+   <member><function>DateTime::getLastErrors</function></member>
   </simplelist>
  </refsect1>
 </refentry>
diff --git a/reference/datetime/datetime/gettimestamp.xml b/reference/datetime/datetime/gettimestamp.xml
index 59ae3c56ae..59c1ffa0b6 100644
--- a/reference/datetime/datetime/gettimestamp.xml
+++ b/reference/datetime/datetime/gettimestamp.xml
@@ -79,8 +79,8 @@ echo date_timestamp_get($date);
  <refsect1 role="seealso">
   &reftitle.seealso;
   <simplelist>
-   <member><methodname>DateTime::setTimestamp</methodname></member>
-   <member><methodname>DateTime::format</methodname></member>
+   <member><function>DateTime::setTimestamp</function></member>
+   <member><function>DateTime::format</function></member>
   </simplelist>
  </refsect1>
 
diff --git a/reference/datetime/datetime/settimestamp.xml b/reference/datetime/datetime/settimestamp.xml
index 55de445280..e0ebb8cf67 100644
--- a/reference/datetime/datetime/settimestamp.xml
+++ b/reference/datetime/datetime/settimestamp.xml
@@ -96,7 +96,7 @@ echo date_format($date, 'U = Y-m-d H:i:s') . "\n";
  <refsect1 role="seealso">
   &reftitle.seealso;
   <simplelist>
-   <member><methodname>DateTime::getTimestamp</methodname></member>
+   <member><function>DateTime::getTimestamp</function></member>
   </simplelist>
  </refsect1>