diff --git a/README b/README
index 0cffda0..908ad91 100644
--- a/README
+++ b/README
@@ -12,6 +12,12 @@ To activate the system, add it to your `depends.txt` and call this in your
 `init.lua.`:
 
     spawnusher.activate()
+    
+    -- With parameters.
+    spawnusher.activate(
+        40,		-- random_placement_radius
+        2,		-- required_bubble_size
+        0.5)	-- retry_time
 
 Optionally, you can set parameters when activating it, it accepts three
 parameters: