diff --git a/src/main/java/se/sawano/java/security/otp/google/keyuri/KeyUriFactory.java b/src/main/java/se/sawano/java/security/otp/google/keyuri/KeyUriFactory.java
index b4d1242..01d2a67 100644
--- a/src/main/java/se/sawano/java/security/otp/google/keyuri/KeyUriFactory.java
+++ b/src/main/java/se/sawano/java/security/otp/google/keyuri/KeyUriFactory.java
@@ -26,6 +26,7 @@
 
 import static se.sawano.java.commons.lang.validate.Validate.notNull;
 
+// TODO refactor
 public class KeyUriFactory {
 
     private static final Map<ShaAlgorithm, Algorithm> ALGORITHM_MAP = new HashMap<>();