Consistency check for versionadded/changed directives.
diff --git a/Doc/c-api/sys.rst b/Doc/c-api/sys.rst
index 27ee94c..00ddf00 100644
--- a/Doc/c-api/sys.rst
+++ b/Doc/c-api/sys.rst
@@ -127,6 +127,7 @@
 
    .. versionadded:: 3.2
 
+
 .. _processcontrol:
 
 Process Control