diff --git a/packages/backend-common/api-report.md b/packages/backend-common/api-report.md
index 78a73eb42b..6efc504fc5 100644
--- a/packages/backend-common/api-report.md
+++ b/packages/backend-common/api-report.md
@@ -526,8 +526,6 @@ export type SearchResponseFile = {
   content(): Promise<Buffer>;
 };
 
-// Warning: (ae-missing-release-tag) "ServerTokenManager" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
 // @public
 export class ServerTokenManager implements TokenManager {
   // (undocumented)
@@ -544,7 +542,6 @@ export class ServerTokenManager implements TokenManager {
 
 // @public (undocumented)
 export namespace ServerTokenManager {
-  // (undocumented)
   export class NoopTokenManager implements TokenManager {
     // (undocumented)
     authenticate(): Promise<void>;
diff --git a/packages/backend-common/src/tokens/ServerTokenManager.ts b/packages/backend-common/src/tokens/ServerTokenManager.ts
index 659cb2c264..2eeb7b5506 100644
--- a/packages/backend-common/src/tokens/ServerTokenManager.ts
+++ b/packages/backend-common/src/tokens/ServerTokenManager.ts
@@ -71,7 +71,16 @@ export class ServerTokenManager implements TokenManager {
   }
 }
 
+/**
+ * @public
+ */
 export namespace ServerTokenManager {
+  /**
+   * Stub token manager which returns empty tokens and always
+   * authenticates successfully.
+   *
+   * @public
+   */
   export class NoopTokenManager implements TokenManager {
     async getToken() {
       return { token: '' };