diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index 0e8276d..a9c85c2 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -1679,7 +1679,7 @@
    .. method:: union(other, ...)
                set | other | ...
 
-      Return a new set with elements from both sets.
+      Return a new set with elements from the set and all others.
 
       .. versionchanged:: 2.6
          Accepts multiple input iterables.
@@ -1687,7 +1687,7 @@
    .. method:: intersection(other, ...)
                set & other & ...
 
-      Return a new set with elements common to both sets.
+      Return a new set with elements common to the set and all others.
 
       .. versionchanged:: 2.6
          Accepts multiple input iterables.
diff --git a/Doc/tools/rstlint.py b/Doc/tools/rstlint.py
index 3ea04bd..0c19003 100755
--- a/Doc/tools/rstlint.py
+++ b/Doc/tools/rstlint.py
@@ -6,6 +6,9 @@
 #
 # 01/2009, Georg Brandl
 
+# TODO: - wrong versions in versionadded/changed
+#       - wrong markup after versionchanged directive
+
 from __future__ import with_statement
 
 import os