diff --git a/docs/workloads/async/async.md b/docs/workloads/async/async.md
index 45a32c7d8d..ee06996644 100644
--- a/docs/workloads/async/async.md
+++ b/docs/workloads/async/async.md
@@ -10,7 +10,7 @@ Async APIs are a good fit for users who want to submit longer workloads (such as
* retrieve status and response via HTTP endpoint
* autoscale based on queue length
* avoid cold starts
-* scale to 0
+* scale to zero
* perform rolling updates
* automatically recover from failures and spot instance termination
diff --git a/docs/workloads/async/autoscaling.md b/docs/workloads/async/autoscaling.md
index 3ac46beb1c..a747c0ecab 100644
--- a/docs/workloads/async/autoscaling.md
+++ b/docs/workloads/async/autoscaling.md
@@ -6,11 +6,11 @@ Cortex auto-scales AsyncAPIs on a per-API basis based on your configuration.
### Autoscaling configuration
-**`min_replicas`**: The lower bound on how many replicas can be running for an API.
+**`min_replicas`** (default: 1): The lower bound on how many replicas can be running for an API. Scale-to-zero is supported.
-**`max_replicas`**: The upper bound on how many replicas can be running for an API.
+**`max_replicas`** (default: 100): The upper bound on how many replicas can be running for an API.
diff --git a/docs/workloads/realtime/autoscaling.md b/docs/workloads/realtime/autoscaling.md
index 089e3581c4..ead284984a 100644
--- a/docs/workloads/realtime/autoscaling.md
+++ b/docs/workloads/realtime/autoscaling.md
@@ -18,11 +18,11 @@ In addition to the autoscaling configuration options (described below), there ar
### Autoscaling configuration
-**`min_replicas`**: The lower bound on how many replicas can be running for an API.
+**`min_replicas`** (default: 1): The lower bound on how many replicas can be running for an API. Scale-to-zero is supported (experimental).
-**`max_replicas`**: The upper bound on how many replicas can be running for an API.
+**`max_replicas`** (default: 100): The upper bound on how many replicas can be running for an API.
diff --git a/docs/workloads/realtime/realtime.md b/docs/workloads/realtime/realtime.md
index ac57c7cfd8..c11ae346ca 100644
--- a/docs/workloads/realtime/realtime.md
+++ b/docs/workloads/realtime/realtime.md
@@ -9,6 +9,7 @@ Realtime APIs are a good fit for users who want to run stateless containers as a
* respond to requests synchronously
* autoscale based on request volume
* avoid cold starts
+* scale to zero
* perform rolling updates
* automatically recover from failures and spot instance termination
* perform A/B tests and canary deployments