--- a/xml.rst	Fri Apr 05 18:22:14 2013 +0300
+++ b/xml.rst	Thu Apr 25 17:34:16 2013 +0300
@@ -78,6 +78,12 @@
 
 Validation of xml files.
 ========================
+::
+
+  $ jing schema.rng in.xml
+  $ xmllint --relaxng schema.rng in.xml
+
+See:
 
   http://infohost.nmt.edu/tcc/help/xml/lint.html
                 xmllint: A validator for XML files