diff --git a/pgpainless-core/src/main/java/org/pgpainless/key/util/UserId.java b/pgpainless-core/src/main/java/org/pgpainless/key/util/UserId.java
index f59cd36f..03a50321 100644
--- a/pgpainless-core/src/main/java/org/pgpainless/key/util/UserId.java
+++ b/pgpainless-core/src/main/java/org/pgpainless/key/util/UserId.java
@@ -94,7 +94,7 @@ public final class UserId implements CharSequence {
      * <ul>
      *     <li>Local domains without TLDs (<pre>user@localdomain1</pre>)</li>
      *     <li><pre>" "@example.org</pre> (spaces between the quotes)</li>
-     *     <li><pre>"very.(),:;<>[]\".VERY.\"very@\\ \"very\".unusual"@strange.example.com</pre></li>
+     *     <li><pre>"very.(),:;&lt;&gt;[]\".VERY.\"very@\\ \"very\".unusual"@strange.example.com</pre></li>
      * </ul>
      *
      * @see <a href="https://www.rfc-editor.org/rfc/rfc5322#page-16">RFC5322 §3.4. Address Specification</a>