Clarify mmap.close method behavior. Addresses issue #18815
Patch contributed by Anoop Thomas Mathew.
diff --git a/Doc/library/mmap.rst b/Doc/library/mmap.rst
index 1f36cec..7db60d2 100644
--- a/Doc/library/mmap.rst
+++ b/Doc/library/mmap.rst
@@ -155,8 +155,9 @@
.. method:: close()
- Close the file. Subsequent calls to other methods of the object will
- result in an exception being raised.
+ Closes the mmap. Subsequent calls to other methods of the object will
+ result in a ValueError exception being raised. This will not close
+ the open file.
.. attribute:: closed