Small doc fix (#6388)

Closes #6388

COPYBARA_INTEGRATE_REVIEW=#6388 from jblebrun:small-change-for-importing-e2e-and-demo 47a9fee
PiperOrigin-RevId: 337180398

java/arcs/core/storage/StorageEndpointManager.kt

@@ -4,15 +4,15 @@ import arcs.core.crdt.CrdtData
 import arcs.core.crdt.CrdtOperationAtTime
 
 /**
- * A [StorageEndpointManager] gives us [StorageEndpointProvider]s of particular types.
+ * A [StorageEndpointManager] gives us [StorageEndpoint]s of particular types.
  */
 interface StorageEndpointManager {
   /**
    * Returns a [StorageEndpoint] for the requested [StoreOptions], of the specified
    * type parameters. It will receive messages from the underlying store via the provided
    * [ProxyCallback].
    *
-   * Implementations *may* choose to cache [StorageEndpointProvider] instances internally, so a
+   * Implementations *may* choose to cache [StorageEndpoint] instances internally, so a
    * call to get for the same parameters may or may not return the same object, depending on the
    * implementation.
    */