diff --git a/content/docs/api/workspace-files.mdx b/content/docs/api/workspace-files.mdx
index a5874fc..634530b 100644
--- a/content/docs/api/workspace-files.mdx
+++ b/content/docs/api/workspace-files.mdx
@@ -185,7 +185,7 @@ curl -X PUT https://platform.example.com/workspaces/ws-abc123/files/../../etc/pa
 
 ## Related
 
-- [Platform API Reference](./platform-api.md) — full API endpoint table
+- [Platform API Reference](./reference.md) — full API endpoint table
 - [Workspace Runtime](../agent-runtime/workspace-runtime.md) — runtime environment model
 - `workspace-server/internal/handlers/templates.go` — `WriteFile`, `validateRelPath`
 - `workspace-server/internal/handlers/container_files.go` — `copyFilesToContainer`, `writeViaEphemeral`