diff --git a/src/modules/configuration/otp-verification/infrastructure/guards/otp-auth.guard.ts b/src/modules/configuration/otp-verification/infrastructure/guards/otp-auth.guard.ts
index 1af5e2a..4b2c0da 100644
--- a/src/modules/configuration/otp-verification/infrastructure/guards/otp-auth.guard.ts
+++ b/src/modules/configuration/otp-verification/infrastructure/guards/otp-auth.guard.ts
@@ -54,10 +54,12 @@ export class OtpAuthGuard implements CanActivate {
           request.user = userLogin;
           return true;
         } else {
-          throw new UnprocessableEntityException('Invalid OTP credentials');
+          throw new UnprocessableEntityException(
+            'Invalid username or password.',
+          );
         }
       } catch (err) {
-        throw new UnprocessableEntityException('Invalid OTP encoding');
+        throw new UnprocessableEntityException('Invalid username or password.');
       }
     }