diff --git a/doc/files/mods/spawn_usher/spawnusher.html b/doc/files/mods/spawn_usher/spawnusher.html
index 6c2fa8f..fb4a625 100644
--- a/doc/files/mods/spawn_usher/spawnusher.html
+++ b/doc/files/mods/spawn_usher/spawnusher.html
@@ -68,7 +68,7 @@
 <table class="function_list">
 
     <tr>
-    <td class="name" nowrap><a href="#spawnusher.activate">spawnusher.activate</a>&nbsp;(random_placement_radius, required_air_bubble_size, retry_time)</td>
+    <td class="name" nowrap><a href="#spawnusher.activate">spawnusher.activate</a>&nbsp;(random_placement_radius, required_bubble_size, retry_time)</td>
     <td class="summary">Activates the spawn usher system.</td>
     </tr>
 
@@ -120,7 +120,7 @@
 
 
 
-<dt><a name="spawnusher.activate"></a><strong>spawnusher.activate</strong>&nbsp;(random_placement_radius, required_air_bubble_size, retry_time)</dt>
+<dt><a name="spawnusher.activate"></a><strong>spawnusher.activate</strong>&nbsp;(random_placement_radius, required_bubble_size, retry_time)</dt>
 <dd>
 Activates the spawn usher system. 
 
@@ -133,7 +133,7 @@ Activates the spawn usher system.
 	</li>
 	
 	<li>
-	  required_air_bubble_size: Optional. The size/height of the bubble of air that is required for the player to spawn. Defaults to 2.
+	  required_bubble_size: Optional. The size/height of the bubble of air that is required for the player to spawn. Defaults to 2.
 	</li>
 	
 	<li>
diff --git a/mods/spawn_usher/spawnusher.lua b/mods/spawn_usher/spawnusher.lua
index 444c254..d3252bc 100644
--- a/mods/spawn_usher/spawnusher.lua
+++ b/mods/spawn_usher/spawnusher.lua
@@ -49,12 +49,12 @@ spawnusher = {
 --
 -- @param random_placement_radius Optional. The player will be respawned in
 --                                the given radius around the spawn point.
--- @param required_air_bubble_size Optional. The size/height of the bubble of
---                                 air that is required for the player to spawn.
---                                 Defaults to 2.
+-- @param required_bubble_size Optional. The size/height of the bubble of
+--                             air that is required for the player to spawn.
+--                             Defaults to 2.
 -- @param retry_time Optional. This is the time that passes between tries to
 --                   place to the player.
-function spawnusher.activate(random_placement_radius, required_air_bubble_size, retry_time)
+function spawnusher.activate(random_placement_radius, required_bubble_size, retry_time)
 	spawnusher.random_placement_radius = random_placement_radius or 40
 	spawnusher.required_bubble_size = required_bubble_size or 2
 	spawnusher.retry_time = retry_time or 0.5