diff --git a/apps/desktop/src/project-manager.ts b/apps/desktop/src/project-manager.ts
index 9e01caa98f..547a0164ff 100644
--- a/apps/desktop/src/project-manager.ts
+++ b/apps/desktop/src/project-manager.ts
@@ -82,6 +82,7 @@ export class DesktopProjectManager {
    */
   async applyRelease(): Promise<void> {
     await this.withLock(() => {
+      // Validation only: an unreadable or mismatched runtime descriptor stops preparation before the Host starts.
       readDesktopRuntime(this.runtime.dsh)
       migrateProfileSettings(this.paths.profile)
       createPluginProfile(this.paths.profile)