diff --git a/otc_metadata/data/documents/obs_3rd_party-dotnet-sdk.yaml b/otc_metadata/data/documents/obs_3rd_party-dotnet-sdk.yaml
index d198758..b938de5 100644
--- a/otc_metadata/data/documents/obs_3rd_party-dotnet-sdk.yaml
+++ b/otc_metadata/data/documents/obs_3rd_party-dotnet-sdk.yaml
@@ -1,3 +1,4 @@
+---
 hc_location: sdk/dotnet-devg-obs
 html_location: docs/obs_3rd_party/dotnet_sdk
 link: /object-storage-service-3rd-party/dotnet-sdk/