diff --git a/cloudbuild/zb-system-tests-cloudbuild.yaml b/cloudbuild/zb-system-tests-cloudbuild.yaml
index 383c4fa96..306bb3825 100644
--- a/cloudbuild/zb-system-tests-cloudbuild.yaml
+++ b/cloudbuild/zb-system-tests-cloudbuild.yaml
@@ -18,8 +18,6 @@ steps:
         mkdir -p /workspace/.ssh
         # Generate the SSH key
         ssh-keygen -t rsa -f /workspace/.ssh/google_compute_engine -N '' -C gcb
-        # Save the public key content to a file for the cleanup step
-        cat /workspace/.ssh/google_compute_engine.pub > /workspace/gcb_ssh_key.pub
     waitFor: ["-"]
 
   # Step 1 Create a GCE VM to run the tests.
@@ -88,7 +86,7 @@ steps:
       - |
         echo "--- Removing SSH key from OS Login profile to prevent accumulation ---"
         gcloud compute os-login ssh-keys remove \
-          --key-file=/workspace/gcb_ssh_key.pub || true
+          --key-file=/.ssh/google_compute_engine.pub || true
     waitFor:
       - "run-tests-and-delete-vm"
 
diff --git a/google/cloud/storage/_experimental/asyncio/async_multi_range_downloader.py b/google/cloud/storage/_experimental/asyncio/async_multi_range_downloader.py
index 1beedd097..72577281d 100644
--- a/google/cloud/storage/_experimental/asyncio/async_multi_range_downloader.py
+++ b/google/cloud/storage/_experimental/asyncio/async_multi_range_downloader.py
@@ -214,6 +214,10 @@ async def download_ranges(
             to be provided by the user, and user has to make sure appropriate
             memory is available in the application to avoid out-of-memory crash.
 
+            Special meaning for `start_byte` and `bytes_to_read`
+            (0, 0) : Downloads entire file
+            ()
+
         :type lock: asyncio.Lock
         :param lock: (Optional) An asyncio lock to synchronize sends and recvs
             on the underlying bidi-GRPC stream. This is required when multiple