diff --git a/jetty-http/src/main/java/org/eclipse/jetty/http/HttpURI.java b/jetty-http/src/main/java/org/eclipse/jetty/http/HttpURI.java
index 54542599b5c7..d8deb522fe8b 100644
--- a/jetty-http/src/main/java/org/eclipse/jetty/http/HttpURI.java
+++ b/jetty-http/src/main/java/org/eclipse/jetty/http/HttpURI.java
@@ -1328,7 +1328,10 @@ else if (_path != null)
          */
         private void checkSegment(String uri, int segment, int end, boolean param)
         {
-            // If we have previously seen an empty segment, then it was not the last segment and was thus ambiguous.
+            // This method is called once for every segment parsed.
+            // A URI like "/foo/" has two segments: "foo" and an empty segment.
+            // Empty segments are only ambiguous if they are not the last segment
+            // So if this method is called for any segment and we have previously seen an empty segment, then it was ambiguous 
             if (_emptySegment)
                 _ambiguous.add(Ambiguous.EMPTY);