diff --git a/scripts/modtools/syndrome-trigger.lua b/scripts/modtools/syndrome-trigger.lua
index fba08c97b..f10849527 100644
--- a/scripts/modtools/syndrome-trigger.lua
+++ b/scripts/modtools/syndrome-trigger.lua
@@ -1,4 +1,4 @@
---modtools/syndrome-trigger.lua
+--scripts/modtools/syndrome-trigger.lua
 --author expwnent
 --triggers scripts when units are infected with syndromes
 
@@ -7,6 +7,11 @@ local utils = require 'utils'
 
 onInfection = onInfection or {}
 
+eventful.enableEvent(eventful.eventType.UNLOAD,1)
+eventful.onUnload.syndromeTrigger = function()
+ onInfection = {}
+end
+
 eventful.enableEvent(eventful.eventType.SYNDROME,5) --requires iterating through every unit, so not cheap, but not slow either
 
 local function processTrigger(args)
@@ -61,7 +66,23 @@ validArgs = validArgs or utils.invert({
 local args = utils.processArgs({...}, validArgs)
 
 if args.help then
- --print help string
+ print([[scripts/modtools/syndrome-trigger.lua
+arguments
+    -help
+        print this help message
+    -clear
+        clear all triggers
+    -syndrome name
+        specify the name of a syndrome
+    -command [ commandStrs ]
+        specify the command to be executed after infection
+        args
+            \\SYNDROME_ID
+            \\UNIT_ID
+            \\LOCATION
+            \anything -> anything
+            anything -> anything
+]])
  return
 end