diff --git a/.changelog/3911.txt b/.changelog/3911.txt
new file mode 100644
index 00000000000..d7e2b652622
--- /dev/null
+++ b/.changelog/3911.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+compute: added field `multiwriter` to resource `disk` (beta)
+```
diff --git a/website/docs/r/compute_disk.html.markdown b/website/docs/r/compute_disk.html.markdown
index 038c53da6a1..4960c32048e 100644
--- a/website/docs/r/compute_disk.html.markdown
+++ b/website/docs/r/compute_disk.html.markdown
@@ -148,6 +148,10 @@ The following arguments are supported:
   [`google_compute_disk_resource_policy_attachment`](https://www.terraform.io/docs/providers/google/r/compute_disk_resource_policy_attachment.html)
   to allow for updating the resource policy attached to the disk.
 
+* `multi_writer` -
+  (Optional, [Beta](https://terraform.io/docs/providers/google/guides/provider_versions.html))
+  Indicates whether or not the disk can be read/write attached to more than one instance.
+
 * `zone` -
   (Optional)
   A reference to the zone where the disk resides.