Fix a typo pointed out on docs@
diff --git a/Doc/reference/expressions.rst b/Doc/reference/expressions.rst
index d0682ca..1a5088a 100644
--- a/Doc/reference/expressions.rst
+++ b/Doc/reference/expressions.rst
@@ -1067,7 +1067,7 @@
* Numbers are compared arithmetically.
* The values :const:`float('NaN')` and :const:`Decimal('NaN')` are special.
- The are identical to themselves, ``x is x`` but are not equal to themselves,
+ They are identical to themselves, ``x is x`` but are not equal to themselves,
``x != x``. Additionally, comparing any value to a not-a-number value
will return ``False``. For example, both ``3 < float('NaN')`` and
``float('NaN') < 3`` will return ``False``.