Fix a minor doc syntax typo.

diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index 7a3f642e4219a21241184b9037f25ca17039d4e2..2b9a6792301d0096e4564627203114b98c7806d5 100644 (file)
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -404,7 +404,7 @@ always available.
    if the object type does not provide means to retrieve the size and would
    cause a `TypeError`.
 
-   func:`getsizeof` calls the object's __sizeof__ method and adds an additional
+   :func:`getsizeof` calls the object's __sizeof__ method and adds an additional
    garbage collector overhead if the object is managed by the garbage collector.
 
    .. versionadded:: 2.6