diff --git a/server/src/server/router/ir/beatoraja/auth.ts b/server/src/server/router/ir/beatoraja/auth.ts
index 4f6ceb5f5..76203ac64 100644
--- a/server/src/server/router/ir/beatoraja/auth.ts
+++ b/server/src/server/router/ir/beatoraja/auth.ts
@@ -6,7 +6,7 @@ export const ValidateIRClientVersion: RequestHandler = (req, res, next) => {
 	if (header !== "2.0.0") {
 		return res.status(400).json({
 			success: false,
-			description: "Invalid BokutachiIR client version.",
+			description: "Invalid TachiIR client version.",
 		});
 	}