PAPP-34356 added missing backticks to readme docs

manual_readme_content.md

@@ -236,8 +236,8 @@ Identifier. This is the value of the SDI of the main event that the sub-events w
 -   The sort parameter value has to be provided in the format property_name.asc for ascending and
     property_name.desc for descending order.
 
--   The include_hidden parameter has been added to the action as it's behavior in the API has changed. In the
-    prior API version, the default behavior of the include_hidden parameter was either not supported or defaulted
+-   The `include_hidden` parameter has been added to the action as it's behavior in the API has changed. In the
+    prior API version, the default behavior of the `include_hidden` parameter was either not supported or defaulted
     to `false`. The latest version of the API now defaults `include_hidden` to `true` if it is not included in
     the API call. Therefore, we have included this parameter in the action configuration and set it to `false` by
     default in order to keep the action behavior consistent with the previous app version. Hidden alerts can be