FIX: link to the original plugin in README (#7)

FIX: link to the original plugin in README (#7)

diff --git a/README.md b/README.md
index 46bff44..fd05500 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 Official footnotes Discourse plugin
 
-Based off: [https://github.com/markdown-it/markdown-it-footnote](github.com/markdown-it/markdown-it-footnote)
+Based off: [github.com/markdown-it/markdown-it-footnote](https://github.com/markdown-it/markdown-it-footnote)
 
 See: []()
 

GitHub sha: e675ee4b

This commit appears in #7 which was approved by eviltrout. It was merged by eviltrout.