Remove trailing whitespace.
diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
index e0ab96d..316ee80 100644
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -131,7 +131,7 @@
    Special value that can be used as the *stderr* argument to :class:`Popen` and
    indicates that standard error should go into the same handle as standard
    output.
-   
+
 
 Convenience Functions
 ^^^^^^^^^^^^^^^^^^^^^
@@ -326,7 +326,7 @@
    The child return code, set by :meth:`poll` and :meth:`wait` (and indirectly
    by :meth:`communicate`).  A ``None`` value indicates that the process
    hasn't terminated yet.
-   
+
    A negative value ``-N`` indicates that the child was terminated by signal
    ``N`` (Unix only).