diff --git a/website/source/docs/builders/googlecompute.html.md b/website/source/docs/builders/googlecompute.html.md
index 7fe6de1b7..4c0b1d650 100644
--- a/website/source/docs/builders/googlecompute.html.md
+++ b/website/source/docs/builders/googlecompute.html.md
@@ -174,6 +174,11 @@ builder.
     Not required if you run Packer on a GCE instance with a service account.
     Instructions for creating file or using service accounts are above.
 
+-   `accelerator_count` (int) - Number of guest accelerator cards to add to the launched instance.
+
+-   `accelerator_type` (string) - Full or partial URL of the guest accelerator type.
+    Example: `"projects/project_id/zones/europe-west1-b/acceleratorTypes/nvidia-tesla-k80"`
+
 -   `address` (string) - The name of a pre-allocated static external IP address.
     Note, must be the name and not the actual IP address.