PEP-0551: Complete missing end of sentence (#1169)

Complete broken sentence, based on content in cd795ec53c (diff-a370cb418156597b81cb01e582c6f518R438)
2019-09-19 10:09:04 -04:00 · 2019-09-19 10:09:04 -04:00 · a84501956f
parent 0d119b656d
commit a84501956f
1 changed files with 4 additions and 1 deletions
--- a/pep-0551.rst
+++ b/pep-0551.rst
@ -297,7 +297,10 @@ single buffer and the file is closed.
 Compilation will later trigger a ``compile`` event, so there is no need
 to validate the contents now using mechanisms that also apply to
 dynamically generated code. However, if a whitelist of source files or
-file hashes is available, then this is the point
+file hashes is available, then other validation mechanisms such as
+DeviceGuard [4]_ should be performed here.
+
+

 **Restrict globals in pickles**