diff --git a/monitor_turtles.lua b/monitor_turtles.lua
index 93ee422..3cafc7e 100644
--- a/monitor_turtles.lua
+++ b/monitor_turtles.lua
@@ -37,7 +37,7 @@ local function draw()
     for id, data in pairs(turtleStates) do
         local age = os.clock() - data.time
         local status = (age > 10) and "offline" or data.status
-        local line = string.format("%s (ID %d): %s", data.label, id, status)
+        local line = string.format("%s (ID %d): %s - %d", data.label, id, status, age)
         table.insert(output, line)
     end