Fix the abstract too

Author: martinthomson

draft-ietf-tls-keylogfile.md

@@ -46,11 +46,11 @@ informative:
 
 --- abstract
 
-A format for logging information about the secrets used in a TLS connection is
-described.  Recording secrets to a file in SSLKEYLOGFILE format allows
-diagnostic and logging tools that use this file to decrypt messages exchanged by
-TLS endpoints.  This format is intended for use in systems where TLS only
-protects test data.
+A format that supports logging information about the secrets used in a TLS
+connection is described.  Recording secrets to a file in SSLKEYLOGFILE format
+allows diagnostic and logging tools that use this file to decrypt messages
+exchanged by TLS endpoints.  This format is intended for use in systems where
+TLS only protects test data.
 
 
 --- middle