fix syntax

Author: TylerMSFT

docs/docfx.json

@@ -139,7 +139,7 @@
         "cross-platform/**.md": "tools",
         "data/**.md": "data-access",
         "dotnet/**.md": "cli-lang",
-        "embedded/**.md": "tools"
+        "embedded/**.md": "tools",
         "error-messages/**.md": "errors-warnings",
         "extensions/**.md": "cli-lang",
         "get-started/**.md": "cpp-lang",