[Python-checkins] Improved documentation for `BUILD_CONST_KEY_MAP` (GH-19454)

[laike9m]

https://github.com/python/cpython/commit/85dd6bb1f61f7edcd6ac0b640a98644531690a0e
commit: 85dd6bb1f61f7edcd6ac0b640a98644531690a0e
branch: master
author: laike9m <laike9m at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2020-04-13T10:55:45+08:00
summary:

Improved documentation for `BUILD_CONST_KEY_MAP` (GH-19454)

files:
M Doc/library/dis.rst

diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst
index 96574a098696c..f871ec4f13def 100644
--- a/Doc/library/dis.rst
+++ b/Doc/library/dis.rst
@@ -844,9 +844,9 @@ All of the following opcodes use their arguments.
 
 .. opcode:: BUILD_CONST_KEY_MAP (count)
 
-   The version of :opcode:`BUILD_MAP` specialized for constant keys.  *count*
-   values are consumed from the stack.  The top element on the stack contains
-   a tuple of keys.
+   The version of :opcode:`BUILD_MAP` specialized for constant keys. Pops the
+   top element on the stack which contains a tuple of keys, then starting from
+   ``TOS1``, pops *count* values to form values in the built dictionary.
 
    .. versionadded:: 3.6