Remove trailing whitespace.
diff --git a/Doc/library/sched.rst b/Doc/library/sched.rst
index 3b83f4a..121038d 100644
--- a/Doc/library/sched.rst
+++ b/Doc/library/sched.rst
@@ -42,7 +42,7 @@
    930343700.276
 
 In multi-threaded environments, the :class:`scheduler` class has limitations
-with respect to thread-safety, inability to insert a new task before 
+with respect to thread-safety, inability to insert a new task before
 the one currently pending in a running scheduler, and holding up the main
 thread until the event queue is empty.  Instead, the preferred approach
 is to use the :class:`threading.Timer` class instead.
@@ -59,7 +59,7 @@
     ...     Timer(5, print_time, ()).start()
     ...     Timer(10, print_time, ()).start()
     ...     time.sleep(11)	# sleep while time-delay events execute
-    ...     print time.time()     
+    ...     print time.time()
     ...
     >>> print_some_times()
     930343690.257