Fix RST in configuration.rst

Fix minor RST issue from before file was converted.

Change-Id: Ie16ceace9c17e98010e068641ce60ba9a365ede0
diff --git a/doc/source/configuration.rst b/doc/source/configuration.rst
index e9921f0..22841f6 100644
--- a/doc/source/configuration.rst
+++ b/doc/source/configuration.rst
@@ -211,7 +211,7 @@
 Logging all services to a single syslog can be convenient. Enable
 syslogging by setting ``SYSLOG`` to ``True``. If the destination log
 host is not localhost ``SYSLOG_HOST`` and ``SYSLOG_PORT`` can be used
-to direct the message stream to the log host.  |
+to direct the message stream to the log host.
 
     ::