removed plural from index page

Author: rsanbhad

website/docs/README.md

@@ -73,4 +73,4 @@ The following properties are common to ALL sources and can be used to configure
 [43]: r/folder.html.markdown
 [44]: r/content.html.markdown
 [45]: r/connection.html.markdown
-[46]: r/monitors.html.markdown
+[46]: r/monitor.html.markdown