Add more entries to the glossary.
Written by Jeff Wheeler for GHOP.
diff --git a/Doc/library/operator.rst b/Doc/library/operator.rst
index 499a822..ea4d328 100644
--- a/Doc/library/operator.rst
+++ b/Doc/library/operator.rst
@@ -280,10 +280,10 @@
Many operations have an "in-place" version. The following functions provide a
more primitive access to in-place operators than the usual syntax does; for
-example, the statement ``x += y`` is equivalent to ``x = operator.iadd(x, y)``.
-Another way to put it is to say that ``z = operator.iadd(x, y)`` is equivalent
-to the compound statement ``z = x; z += y``.
-
+example, the :term:`statement` ``x += y`` is equivalent to
+``x = operator.iadd(x, y)``. Another way to put it is to say that
+``z = operator.iadd(x, y)`` is equivalent to the compound statement
+``z = x; z += y``.
.. function:: iadd(a, b)
__iadd__(a, b)