diff --git a/Chapters/07_Composability.md b/Chapters/07_Composability.md
index 65e142b8..ae3b1807 100644
--- a/Chapters/07_Composability.md
+++ b/Chapters/07_Composability.md
@@ -809,7 +809,7 @@ Although we have a narrow timeout attached to the AI summarize call, we are stil
 val strictResearch =
   researchHeadline
     .timeoutFail("strict timeout"):
-      1.millisecond
+      1.microsecond
 ```
 
 ```scala 3 mdoc:runzio:liveclock