Some cleanup in the docs.
diff --git a/Doc/library/rexec.rst b/Doc/library/rexec.rst
index 5747d82..c85c7ca 100644
--- a/Doc/library/rexec.rst
+++ b/Doc/library/rexec.rst
@@ -182,7 +182,7 @@
 
    Unload the module object *module*.
 
-   .. % XXX what are the semantics of this?
+   .. XXX what are the semantics of this?
 
 
 .. _rexec-extension:
@@ -232,7 +232,7 @@
    'times', 'uname', 'getpid', 'getppid', 'getcwd', 'getuid', 'getgid', 'geteuid',
    'getegid')``.
 
-   .. % Should this be called ok_os_names?
+   .. Should this be called ok_os_names?
 
 
 .. attribute:: RExec.ok_sys_names
@@ -285,6 +285,3 @@
 security is at stake, it may be preferable to write simple code which is
 sometimes overly restrictive, instead of more general code that is also more
 complex and may harbor a subtle security hole.
-
-.. % 
-