Adding blurb to docs
@@ -190,6 +190,9 @@ For example::
Under the covers, the service receives the mutation and identifies the current active version of the
application specified. It then calls that version's binary, passing along the run level as a command argument.
+If the application immediately fails, the ``errors`` field will contain a message with the
+application's return code.
+
Passing Additional Arguments
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -215,6 +218,9 @@ started during system initialization.
This logic may also be triggered by manually starting the applications service with the ``-b`` flag.
+If an application cannot be started, or immediately fails, an error message will be written to the
+service's log with the failure reason.
+
Upgrading
---------
