diff --git a/Updating.md b/Updating.md
index f23b660..9376f30 100644
--- a/Updating.md
+++ b/Updating.md
@@ -28,4 +28,11 @@ The built-in method will backup Sonarr files and settings, stop Sonarr, update t
 
 
 #### Script ####
-The script should handle the the same as the built-in updater, if you need to handle stopping and starting services (upstart/launchd/etc) you will need to do that here.
\ No newline at end of file
+The script should handle the the same as the built-in updater, if you need to handle stopping and starting services (upstart/launchd/etc) you will need to do that here.
+
+The script takes the following parameters: 
+* {processId}: processid of currently running Sonarr instance
+* {updateSourceFolder}: folder containing new installation, ready to be moved to wherever you want it
+* {executingApp/monoPath}: path to mono/binary
+* {preservedArgumentsToRestartSonarr}: arguments to pass to the binary at restart
+