diff --git a/api-ref/source/samples/node-set-soft-power-off.json b/api-ref/source/samples/node-set-soft-power-off.json
index 9368bcff34..91c3e2fd2d 100644
--- a/api-ref/source/samples/node-set-soft-power-off.json
+++ b/api-ref/source/samples/node-set-soft-power-off.json
@@ -1,4 +1,4 @@
 {
     "target": "soft power off",
-    'timeout': 300
+    "timeout": 300
 }