diff --git a/tour.md b/tour.md
index 0154e4b..14595eb 100644
--- a/tour.md
+++ b/tour.md
@@ -23,7 +23,7 @@ You will need the following to build Teliva:
 
 ## Task 1: getting started
 
-Read the first question in [the Readme](https://github.com/akkartik/teliva/blob/main/README.md)
+Read the first question in [the Readme](https://github.com/akkartik/teliva/blob/main/README.md).
 Try running the commands to download and build Teliva. If you have any trouble
 at this point, don't waste _any_ time thinking about it. Just [get in
 touch](http://akkartik.name/contact).