bpo-32747: Remove trailing spaces in docstrings. (GH-5491)

diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c
index 3b7713a..fe2968a 100644
--- a/Modules/selectmodule.c
+++ b/Modules/selectmodule.c
@@ -516,7 +516,7 @@
 
 PyDoc_STRVAR(poll_poll_doc,
 "poll( [timeout] ) -> list of (fd, event) 2-tuples\n\n\
-Polls the set of registered file descriptors, returning a list containing \n\
+Polls the set of registered file descriptors, returning a list containing\n\
 any descriptors that have events or errors to report.");
 
 static PyObject *
@@ -877,7 +877,7 @@
 
 PyDoc_STRVAR(devpoll_poll_doc,
 "poll( [timeout] ) -> list of (fd, event) 2-tuples\n\n\
-Polls the set of registered file descriptors, returning a list containing \n\
+Polls the set of registered file descriptors, returning a list containing\n\
 any descriptors that have events or errors to report.");
 
 static PyObject *