diff --git a/docs/user/site.rst b/docs/user/site.rst
index 3b924e70d4dfb6cfd3367d5326bfe6326abd9100..2862281073a78fb9559eac63da63837adbe9e4cc 100644
--- a/docs/user/site.rst
+++ b/docs/user/site.rst
@@ -124,8 +124,8 @@ autoupdater : package
           stable = {
             name = 'stable',
             mirrors = {
-              'http://{fdca:ffee:babe:1::fec1}/firmware/stable/sysupgrade/',
-              'http://{fdca:ffee:babe:1::fec2}/firmware/stable/sysupgrade/',
+              'http://[fdca:ffee:babe:1::fec1]/firmware/stable/sysupgrade/',
+              'http://[fdca:ffee:babe:1::fec2]/firmware/stable/sysupgrade/',
             },
             probability = 0.08,
             good_signatures = 2,