[3.6] Fix typo in selectors.rst (GH-1383) (#1414)

Mariatta · web-flow · commit 5bcf01d4cdc7 · 2017-05-02T21:35:43.000-07:00
decriptor -> descriptor (cherry picked from commit b0d8203)
diff --git a/Doc/library/selectors.rst b/Doc/library/selectors.rst
@@ -68,7 +68,7 @@ constants below:
 .. class:: SelectorKey
 
    A :class:`SelectorKey` is a :class:`~collections.namedtuple` used to
-   associate a file object to its underlying file decriptor, selected event
+   associate a file object to its underlying file descriptor, selected event
    mask and attached data. It is returned by several :class:`BaseSelector`
    methods.
 
