Fix doc typo noticed by Amaury Forgeot d'Arc
diff --git a/Doc/library/xml.etree.elementtree.rst b/Doc/library/xml.etree.elementtree.rst
index c373894..86fe4e6 100644
--- a/Doc/library/xml.etree.elementtree.rst
+++ b/Doc/library/xml.etree.elementtree.rst
@@ -126,7 +126,7 @@
| | a relative path. |
+-----------------------+------------------------------------------------------+
| ``//`` | Selects all subelements, on all levels beneath the |
-| | current element. For example, ``./egg`` selects |
+| | current element. For example, ``.//egg`` selects |
| | all ``egg`` elements in the entire tree. |
+-----------------------+------------------------------------------------------+
| ``..`` | Selects the parent element. |