Fix punctuation.
diff --git a/Doc/library/curses.rst b/Doc/library/curses.rst
index fa66d1e..6ec9abe 100644
--- a/Doc/library/curses.rst
+++ b/Doc/library/curses.rst
@@ -1,9 +1,9 @@
-
:mod:`curses` --- Terminal handling for character-cell displays
===============================================================
.. module:: curses
- :synopsis: An interface to the curses library, providing portable terminal handling.
+ :synopsis: An interface to the curses library, providing portable terminal
+ handling.
.. sectionauthor:: Moshe Zadka <moshez@zadka.site.co.il>
.. sectionauthor:: Eric Raymond <esr@thyrsus.com>
diff --git a/Doc/library/signal.rst b/Doc/library/signal.rst
index a7cf33d..32fd393 100644
--- a/Doc/library/signal.rst
+++ b/Doc/library/signal.rst
@@ -157,7 +157,7 @@
The old values are returned as a tuple: (delay, interval).
- Attempting to pass an invalid interval timer will cause a
+ Attempting to pass an invalid interval timer will cause an
:exc:`ItimerError`.
.. versionadded:: 2.6
diff --git a/Doc/library/weakref.rst b/Doc/library/weakref.rst
index 1c35493..d23e53a 100644
--- a/Doc/library/weakref.rst
+++ b/Doc/library/weakref.rst
@@ -77,8 +77,8 @@
obj = Dict(red=1, green=2, blue=3) # this object is weak referenceable
Other built-in types such as :class:`tuple` and :class:`long` do not support
-weak references even when subclassed (This is an implementation detail and may
-be different across various Python implementations.).
+weak references even when subclassed (this is an implementation detail and may
+be different across various Python implementations).
Extension types can easily be made to support weak references; see
:ref:`weakref-support`.