Add FontAwesome to icon list. (#25451)

diff --git a/docs/4.0/extend/icons.md b/docs/4.0/extend/icons.md
index fb3cf6f093975405e6516b79962aa975e960d49d..bacd4a93b54b919ca36543b750bb71f4f25d6775 100644 (file)
--- a/docs/4.0/extend/icons.md
+++ b/docs/4.0/extend/icons.md
@@ -11,6 +11,7 @@ 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/)
 - [Octicons](https://octicons.github.com/)