bpo-28235: Fix xml.etree.ElementTree.fromstring docs (GH-11903)
diff --git a/Doc/library/xml.etree.elementtree.rst b/Doc/library/xml.etree.elementtree.rst
index aae8014..4a7cf6f 100644
--- a/Doc/library/xml.etree.elementtree.rst
+++ b/Doc/library/xml.etree.elementtree.rst
@@ -494,10 +494,12 @@
by the user.
-.. function:: fromstring(text)
+.. function:: fromstring(text, parser=None)
Parses an XML section from a string constant. Same as :func:`XML`. *text*
- is a string containing XML data. Returns an :class:`Element` instance.
+ is a string containing XML data. *parser* is an optional parser instance.
+ If not given, the standard :class:`XMLParser` parser is used.
+ Returns an :class:`Element` instance.
.. function:: fromstringlist(sequence, parser=None)