diff --git a/common/uri/src/main/java/io/helidon/common/uri/UriValidationException.java b/common/uri/src/main/java/io/helidon/common/uri/UriValidationException.java
index 7e099c6a6e3..8393d91297d 100644
--- a/common/uri/src/main/java/io/helidon/common/uri/UriValidationException.java
+++ b/common/uri/src/main/java/io/helidon/common/uri/UriValidationException.java
@@ -30,7 +30,13 @@
  * @see #invalidValue()
  */
 public class UriValidationException extends IllegalArgumentException {
+    /**
+     * Segment that failed validation.
+     */
     private final Segment segment;
+    /**
+     * The value (containing illegal characters) that failed validation.
+     */
     private final char[] invalidValue;
 
     /**