diff --git a/src/ch20-03-graceful-shutdown-and-cleanup.md b/src/ch20-03-graceful-shutdown-and-cleanup.md
index 8de791bd9..a28c79e5a 100644
--- a/src/ch20-03-graceful-shutdown-and-cleanup.md
+++ b/src/ch20-03-graceful-shutdown-and-cleanup.md
@@ -106,7 +106,7 @@ because they `loop` forever looking for jobs. If we try to drop our
 `ThreadPool` with our current implementation of `drop`, the main thread will
 block forever waiting for the first thread to finish.
 
-To fix this problem, we’ll need a change in the the `ThreadPool` `drop`
+To fix this problem, we’ll need a change in the `ThreadPool` `drop`
 implementation and then a change in the `Worker` loop.
 
 First, we’ll change the `ThreadPool` `drop` implementation to explicitly drop