diff --git a/keramik/src/developing_runner.md b/keramik/src/developing_runner.md
index 828436b6..7c441670 100644
--- a/keramik/src/developing_runner.md
+++ b/keramik/src/developing_runner.md
@@ -55,7 +55,7 @@ metadata:
 spec:
   scenario: ceramic-simple
   users: 10
-  run_time: 4
+  runTime: 4
   image: keramik/runner:dev
   imagePullPolicy: IfNotPresent
 ```