diff --git a/3DeT_ALPHA/sheet.json b/3DeT_ALPHA/sheet.json
index d17524a2e7..0f832d05af 100644
--- a/3DeT_ALPHA/sheet.json
+++ b/3DeT_ALPHA/sheet.json
@@ -1,6 +1,6 @@
 {
 	"html": "3DeT_ALPHA.html",
-	"css": "3DeT_APLHA.css",
+	"css": "3DeT_ALPHA.css",
 	"authors": "Julio Melanda",
 	"roll20userid": "1413302",
 	"preview": "3DeT_ALPHA.png",