diff --git a/README.md b/README.md
index dac165e..ad8c6d7 100644
--- a/README.md
+++ b/README.md
@@ -193,7 +193,7 @@ using a magnetic 4 pin plug.
 * [ ] Implement a good algorithm to handle adaptiv MCU clock 
 to save power
 * Drivers:
-    * [] Write/port the MAX30102 Heart Rate Monitor driver to the project.
+    * [ ] Write/port the MAX30102 Heart Rate Monitor driver to the project.
 * [ ] Add a wake up alarm app (using the vibration motor).