diff --git a/r/compute_backend_service.html.markdown b/r/compute_backend_service.html.markdown
index 5ce2bbde..9b419059 100644
--- a/r/compute_backend_service.html.markdown
+++ b/r/compute_backend_service.html.markdown
@@ -89,9 +89,9 @@ The following arguments are supported:
* `region` - (Optional) The Region in which the created address should reside.
If it is not provided, the provider region is used.
-* `session_affinity` - (Optional) How to distribute load. Options are "NONE" (no
- affinity), "CLIENT\_IP" (hash of the source/dest addresses / ports), and
- "GENERATED\_COOKIE" (distribute load using a generated session cookie).
+* `session_affinity` - (Optional) How to distribute load. Options are `NONE` (no
+ affinity), `CLIENT_IP` (hash of the source/dest addresses / ports), and
+ `GENERATED_COOKIE` (distribute load using a generated session cookie).
* `timeout_sec` - (Optional) The number of secs to wait for a backend to respond
to a request before considering the request failed. Defaults to `30`.
diff --git a/r/compute_region_backend_service.html.markdown b/r/compute_region_backend_service.html.markdown
index 0b81f147..10ee1256 100644
--- a/r/compute_region_backend_service.html.markdown
+++ b/r/compute_region_backend_service.html.markdown
@@ -20,6 +20,7 @@ resource "google_compute_region_backend_service" "foobar" {
description = "Hello World 1234"
protocol = "TCP"
timeout_sec = 10
+ session_affinity = "CLIENT_IP"
backend {
group = "${google_compute_instance_group_manager.foo.instance_group}"
@@ -84,6 +85,10 @@ The following arguments are supported:
* `protocol` - (Optional) The protocol for incoming requests. Defaults to
`HTTP`.
+* `session_affinity` - (Optional) How to distribute load. Options are `NONE` (no
+ affinity), `CLIENT_IP`, `CLIENT_IP_PROTO`, or `CLIENT_IP_PORT_PROTO`.
+ Defaults to `NONE`.
+
* `region` - (Optional) The Region in which the created address should reside.
If it is not provided, the provider region is used.