diff --git a/packages/access-client/src/drivers/memory.js b/packages/access-client/src/drivers/memory.js
index c01e90f9e..a9390cb58 100644
--- a/packages/access-client/src/drivers/memory.js
+++ b/packages/access-client/src/drivers/memory.js
@@ -1,23 +1,36 @@
 /**
+ * @template T
+ * @typedef {import('./types').Driver<T>} Driver
+ */
+
+/**
+ * Driver implementation that stores data in memory."
+ *
+ * Usage:
+ *
+ * ```js
+ * import { MemoryDriver } from '@web3-storage/access/drivers/memory'
+ * ```
+ *
  * @template {Record<string, any>} T
  * @implements {Driver<T>}
  */
 export class MemoryDriver {
   /**
-   * @type {T}
+   * @type {T|undefined}
    */
   #data;
-
+  
   constructor() {
-    this.#data = {};
+    this.#data = undefined;
   }
 
   async open() {}
 
   async close() {}
-
+  
   async reset() {
-    this.#data = {};
+    this.#data = undefined;
   }
 
   /** @param {T} data */
@@ -27,6 +40,7 @@ export class MemoryDriver {
 
   /** @returns {Promise<T|undefined>} */
   async load() {
+    if (this.#data === undefined) return;
     if (Object.keys(this.#data).length === 0) return;
     return this.#data;
   }
diff --git a/packages/access-client/src/stores/store-memory.js b/packages/access-client/src/stores/store-memory.js
index dd7448f6c..ba596a5f9 100644
--- a/packages/access-client/src/stores/store-memory.js
+++ b/packages/access-client/src/stores/store-memory.js
@@ -9,6 +9,6 @@ import { MemoryDriver } from "../drivers/memory.js";
  * import { StoreMemory } from '@web3-storage/access/stores/store-memory'
  * ```
  *
- * @extends {MemoryDriver<import('@web3-storage/access/src/types.js').AgentDataExport>}
+ * @extends {MemoryDriver<import('../types').AgentDataExport>}
  */
 export class StoreMemory extends MemoryDriver {}