diff --git a/runbooks/source/incident-log.html.md.erb b/runbooks/source/incident-log.html.md.erb
index f572fa75..d796e1e4 100644
--- a/runbooks/source/incident-log.html.md.erb
+++ b/runbooks/source/incident-log.html.md.erb
@@ -16,7 +16,7 @@ weight: 45
 ### Incident on 2024-07-25
 
 - **Key events**
-  - First deteceted: 2024-07-25 12:10
+  - First detected: 2024-07-25 12:10
   - Incident declared: 2024-07-25 14:54
   - Repaired declared: 2024-07-25 15:18
   - Resolved 2024-07-25 16:19