diff --git a/website/source/api/agent/service.html.md b/website/source/api/agent/service.html.md
index 4dff0f7b76..819e7726af 100644
--- a/website/source/api/agent/service.html.md
+++ b/website/source/api/agent/service.html.md
@@ -627,7 +627,7 @@ For the `Connect` field, the parameters are:
 $ curl \
     --request PUT \
     --data @payload.json \
-    http://127.0.0.1:8500/v1/agent/service/register?replace-existing-checks=1
+    http://127.0.0.1:8500/v1/agent/service/register?replace-existing-checks=true
 ```
 
 ## Deregister Service