diff --git a/Appendix-D:-References.md b/Appendix-D:-References.md
index 8372317..6b8dcea 100644
--- a/Appendix-D:-References.md
+++ b/Appendix-D:-References.md
@@ -30,4 +30,4 @@ If you would like to submit a resource link to be added to this list, please pos
    * [mitre.org](https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox) - **h**ttps://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox
    * [cvddetails.com](https://www.cvedetails.com/vulnerability-list/vendor_id-452/product_id-3264/Mozilla-Firefox.html) - **h**ttps://www.cvedetails.com/vulnerability-list/vendor_id-452/product_id-3264/Mozilla-Firefox.html
 * [Portable Firefox](http://portableapps.com/apps/internet/firefox_portable) - **h**ttp://portableapps.com/apps/internet/firefox_portable
-  * [Stable Releases](http://sourceforge.net/projects/portableapps/files/Mozilla%20Firefox%2C%20Portable%20Ed./) - **h**ttp://sourceforge.net/projects/portableapps/files/Mozilla%20Firefox%2C%20Portable%20Ed./
+  * [Stable/ESR Releases](http://sourceforge.net/projects/portableapps/files/Mozilla%20Firefox%2C%20Portable%20Ed./) - **h**ttp://sourceforge.net/projects/portableapps/files/Mozilla%20Firefox%2C%20Portable%20Ed./