Update README.md (#215)

README.md

@@ -184,7 +184,7 @@ This is a complete list of all of the options that can be passed to `require("ob
     -- Optional, if you want to change the date format for the ID of daily notes.
     date_format = "%Y-%m-%d",
     -- Optional, if you want to change the date format of the default alias of daily notes.
-    alias_format = "%B %-d, %Y"
+    alias_format = "%B %-d, %Y",
     -- Optional, if you want to automatically insert a template from your template directory like 'daily.md'
     template = nil
   },