"URI" or "URL"

Name: Makoto Ueki
Email: makoto.ueki@gmail.com
Affiliation: JIS Working Group
Document: W2
Item Number: Appendix A: Glossary
Part of Item: 
Comment Type: editorial
Summary of Issue: "URI" or "URL"
Comment (Including rationale for any proposed change):
In "Web page" section, both "URI" and "URL" are used. 

Proposed Change:
If there isn't any difference between "URI" and "URL", use "URI" in order to be consistent through the document.