diff --git a/dsc/docs-conceptual/dsc-3.0/concepts/resources/overview.md b/dsc/docs-conceptual/dsc-3.0/concepts/resources/overview.md
index 64d70a2..6980c2b 100644
--- a/dsc/docs-conceptual/dsc-3.0/concepts/resources/overview.md
+++ b/dsc/docs-conceptual/dsc-3.0/concepts/resources/overview.md
@@ -175,7 +175,7 @@ For example, you can test whether a specific registry key exists:
 ```powershell
 dsc resource test --resource Microsoft.Windows/Registry --input '{
     "keyPath": "HKCU\\key\\that\\does\\not\\exist",
-    "exist": true
+    "_exist": true
 }'
 ```