Change UpdateSiteWarningsMonitor more punctuation
@@ -24,7 +24,7 @@ pluginTitle = {0} {1}
coreTitle = Jenkins {0} core and libraries
blurb = Warnings have been published for the following currently installed components:
-more = Additional warnings are hidden due to the current security configuration
+more = Additional warnings are hidden due to the current security configuration.
pluginManager.link = Go to plugin manager
