diff --git a/README.md b/README.md
index 5530fce371b518d97b4f20945e9e8eacbb84f35a..d2ccbd922fa5048ffde59394112b467ea9ec3c85 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ In the message, please include:
 * Cut-and-paste the text from the notebook
 * Optional: Describe your suggestion (with a typo not needed even)
 
-Feedback by [email](mailto:g.a.steele@tudelft.nl is also welcome.
+Feedback by [email](mailto:g.a.steele@tudelft.nl) is also welcome.
 
 
 # Developers