diff --git a/curriculum/challenges/english/01-responsive-web-design/basic-css/specify-how-fonts-should-degrade.md b/curriculum/challenges/english/01-responsive-web-design/basic-css/specify-how-fonts-should-degrade.md
index 9c845ed413..963681932a 100644
--- a/curriculum/challenges/english/01-responsive-web-design/basic-css/specify-how-fonts-should-degrade.md
+++ b/curriculum/challenges/english/01-responsive-web-design/basic-css/specify-how-fonts-should-degrade.md
@@ -9,7 +9,7 @@ dashedName: specify-how-fonts-should-degrade
 
 # --description--
 
-There are several default fonts that are available in all browsers. These generic font families include `monospace`, `serif` and `sans-serif`
+There are several default fonts that are available in all browsers. These generic font families include `monospace`, `serif` and `sans-serif`.
 
 When one font isn't available, you can tell the browser to "degrade" to another font.