Update template-manager.md

Added missing setting for front-end editing

Author: nep

docs/control-panel/template-manager.md

@@ -70,6 +70,7 @@ The Template Notes tab enables you to save notes and information about your temp
 - **Allow PHP?** -- Here you specify whether or not the Template will parse PHP expressions. If the preference is set to "no", then any PHP in the Template will be output as plain text.
 - **PHP Parsing Stage** -- If the previous preference is enabled, this sets whether PHP is parsed on "input" or "output" in the Template. See [Using PHP in Templates](templates/overview.md#php-in-templates) for more information.
 - **Hit Counter** -- If you wish to manually revise the hit counter for a Template you may do so.
+- **Enable front-end editing?** -- If you are running EE Pro, you can enable or disable [front-end editing links](advanced-usage/front-end/frontend.md) on a per-template basis. By default it is enabled.
 
 ### Access