diff --git a/src/abstract.py b/src/abstract.py
index cf5cdcc5de42fb3156ba3c2a8e8a6be20839e593..04f7edcd1b0e5beffee174faa509839c1ceb1866 100644
--- a/src/abstract.py
+++ b/src/abstract.py
@@ -4,7 +4,7 @@
 These classes are just providing examples of how to use the proximity sensor,
 the LED controller, and the touch sensor for type hinting.
 The actual implementations of the classes are on the device.
-You'll learn more about abstract classes in CS2.
+You'll learn more about abstract classes in CS2.)
 """
 # We aren't using the abc module because it isn't available on circuitpy.