diff --git a/readme.md b/readme.md
index fa4f9c5..54473e2 100644
--- a/readme.md
+++ b/readme.md
@@ -42,7 +42,7 @@ slack.send({
 ```
 
 You can also specify an emoji icon, a url to a custom icon, attachments,
-and any of the other options listed [here](slack.com/services/new/incoming-webhook).
+and any of the other options listed [here](https://slack.com/services/new/incoming-webhook).
 
 
 ```