#20236: Fix sphinx markup.
diff --git a/Doc/library/xml.rst b/Doc/library/xml.rst
index 1047984..d2dafa4 100644
--- a/Doc/library/xml.rst
+++ b/Doc/library/xml.rst
@@ -94,7 +94,7 @@
content into the XML document.
DTD retrieval
- Some XML libraries like Python's mod:'xml.dom.pulldom' retrieve document type
+ Some XML libraries like Python's :mod:`xml.dom.pulldom` retrieve document type
definitions from remote or local locations. The feature has similar
implications as the external entity expansion issue.