diff --git a/src/MarcSync/Types/FilterData.lua b/src/MarcSync/Types/FilterData.lua
index 2a7fba1..c2980c4 100644
--- a/src/MarcSync/Types/FilterData.lua
+++ b/src/MarcSync/Types/FilterData.lua
@@ -1,10 +1,6 @@
 type FilterData = {
-	["_startsWith"]: {
-		[string]: any	
-	},
-	["_ignoreCases"]: {
-		[string]: any
-	},
+	["_startsWith"]: {string},
+	["_ignoreCases"]: {string},
 	[string]: any
 }
 
@@ -12,4 +8,4 @@ return {
 	getType = function(): FilterData
 		return {}
 	end,
-}
\ No newline at end of file
+}