diff --git a/Appendix-A:-Test-Sites.md b/Appendix-A:-Test-Sites.md
index 69cd5c2..d05eae2 100644
--- a/Appendix-A:-Test-Sites.md
+++ b/Appendix-A:-Test-Sites.md
@@ -63,7 +63,7 @@ If you would like to submit a test page to be added to this list, please post th
 - [Firefox Extensions](http://thehackerblog.com/addon_scanner/) - **h**ttp://thehackerblog.com/addon_scanner/
 - [localStorage](http://www.filldisk.com/) - **h**ttp://www.filldisk.com/
    * Firefox is immune to this hackery
-- [HSTS Supercookie](http://www.radicalresearch.co.uk/lab/hstssupercookies) - **h**ttp://www.radicalresearch.co.uk/lab/hstssupercookies
+- ~~[HSTS Supercookie](http://www.radicalresearch.co.uk/lab/hstssupercookies) - **h**ttp://www.radicalresearch.co.uk/lab/hstssupercookies~~
 - [HSTS [sniffly]](http://zyan.scripts.mit.edu/sniffly/) - **h**ttp://zyan.scripts.mit.edu/sniffly/
 - [HTML5](https://www.youtube.com/html5) - **h**ttps://www.youtube.com/html5
 - [Intermediate CA Cache Fingerprinting](https://fiprinca.0x90.eu/poc/) - **h**ttps://fiprinca.0x90.eu/poc/