Use Iconic github page instead of site

The SSL certificate of the useiconic.com is expired

diff --git a/site/docs/4.1/extend/icons.md b/site/docs/4.1/extend/icons.md
index b6445cdd29c5fc6cc1576f7796268a2be87831df..47c1f1fd415dafe393f27b5eb42bc078b38520d8 100644 (file)
--- a/site/docs/4.1/extend/icons.md
+++ b/site/docs/4.1/extend/icons.md
@@ -12,7 +12,7 @@ Bootstrap doesn't include an icon library by default, but we have a handful of r
 We've tested and used these icon sets ourselves.
 
 - [Font Awesome](https://fontawesome.com/)
-- [Iconic](https://useiconic.com/open/)
+- [Iconic](https://github.com/iconic/open-iconic)
 - [Octicons](https://octicons.github.com/)
 
 ## More options