diff --git a/src/node/server.ts b/src/node/server.ts
index db8c55963..f00fc0db0 100644
--- a/src/node/server.ts
+++ b/src/node/server.ts
@@ -297,6 +297,8 @@ export abstract class Server {
 		switch (base) {
 			case "/":
 				switch (requestPath) {
+					// NOTE: This must be served at the correct location based on the
+					// start_url in the manifest.
 					case "/manifest.json":
 						const response = await this.getResource(this.serverRoot, "media", requestPath);
 						response.cache = true;