diff --git a/spec/parser_imageboard_spec.lua b/spec/parser_imageboard_spec.lua
index 1509910..4756489 100644
--- a/spec/parser_imageboard_spec.lua
+++ b/spec/parser_imageboard_spec.lua
@@ -7,6 +7,6 @@ describe("smr imageboard parser",function()
 		local parser = require("parser_imageboard")
 		local input = "Hello, world!"
 		local output = parser(input)
-		assert(type(output) == "str
+		assert(type(output) == "string","Expected string, got: %s",type(output))
 	end)
 end)