diff --git a/README.md b/README.md
index 71f986a..3429286 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # balloon-calc
 
-Different calculations for high-altitude balloon projects
+Different calculations for high-altitude balloon projects.
+
 Try on https://hab.sp9unb.eu 
 or run with https://mybinder.org