diff --git a/MCServer/Plugins/APIDump/APIDesc.lua b/MCServer/Plugins/APIDump/APIDesc.lua
index 92b57865f..f8ad74226 100644
--- a/MCServer/Plugins/APIDump/APIDesc.lua
+++ b/MCServer/Plugins/APIDump/APIDesc.lua
@@ -2771,7 +2771,7 @@ end
 				},
 				SpreadSource =
 				{
-					Include = "^es.*",
+					Include = "^ss.*",
 					TextBefore = [[
 						These constants are used to differentiate the various sources of spreads. They are used in
 						the {{OnBlockSpread|HOOK_BLOCK_SPREAD}} hook.
diff --git a/MCServer/Plugins/APIDump/Hooks/OnBlockSpread.lua b/MCServer/Plugins/APIDump/Hooks/OnBlockSpread.lua
index 1dde55f36..a2f7d7ef9 100644
--- a/MCServer/Plugins/APIDump/Hooks/OnBlockSpread.lua
+++ b/MCServer/Plugins/APIDump/Hooks/OnBlockSpread.lua
@@ -12,11 +12,11 @@ return
 			depends on the source kind:
 			<table>
 			<tr><th>Source</th><th>Notes</th></tr>
-			<tr><td>esFireSpread</td><td>Fire spreading</td></tr>
-			<tr><td>esGrassSpread</td><td>Grass spreading</td></tr>
-			<tr><td>esMushroomSpread</td><td>Mushroom spreading</td></tr>
-			<tr><td>esMycelSpread</td><td>Mycel spreading</td></tr>
-			<tr><td>esVineSpread</td><td>Vine spreading</td></tr>
+			<tr><td>ssFireSpread</td><td>Fire spreading</td></tr>
+			<tr><td>ssGrassSpread</td><td>Grass spreading</td></tr>
+			<tr><td>ssMushroomSpread</td><td>Mushroom spreading</td></tr>
+			<tr><td>ssMycelSpread</td><td>Mycel spreading</td></tr>
+			<tr><td>ssVineSpread</td><td>Vine spreading</td></tr>
 			</table></p>
 		]],
 		Params =