Merge: Reword set docs to use *proper subset/superset* terminology.
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index 4d479a7..046295c 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -2793,7 +2793,7 @@
.. method:: set < other
- Test whether the set is a true subset of *other*, that is,
+ Test whether the set is a proper subset of *other*, that is,
``set <= other and set != other``.
.. method:: issuperset(other)
@@ -2803,7 +2803,7 @@
.. method:: set > other
- Test whether the set is a true superset of *other*, that is, ``set >=
+ Test whether the set is a proper superset of *other*, that is, ``set >=
other and set != other``.
.. method:: union(other, ...)