Issue #14968: set 'Inplace Operators' as subsection; patch by Lars Buitinck
diff --git a/Doc/library/operator.rst b/Doc/library/operator.rst
index 9ba7f41..3860880 100644
--- a/Doc/library/operator.rst
+++ b/Doc/library/operator.rst
@@ -404,7 +404,7 @@
+-----------------------+-------------------------+---------------------------------------+
Inplace Operators
-=================
+-----------------
Many operations have an "in-place" version. Listed below are functions
providing a more primitive access to in-place operators than the usual syntax