Issue 21479: Fix markup for the TarFile.open() classmethod.

diff --git a/Doc/library/tarfile.rst b/Doc/library/tarfile.rst
index 99a9f2bf8a9a0e3f580d729f09de8dd5d73cd2a6..1c6b67c27b68cf8fe1564cb6fd09d757802aaec9 100644 (file)
--- a/Doc/library/tarfile.rst
+++ b/Doc/library/tarfile.rst
@@ -305,7 +305,7 @@ be finalized; only the internally used file object will be closed. See the
    .. versionadded:: 2.6
 
 
-.. method:: TarFile.open(...)
+.. classmethod:: TarFile.open(...)
 
    Alternative constructor. The :func:`tarfile.open` function is actually a
    shortcut to this classmethod.