diff --git a/docs/atomic/aws.md b/docs/atomic/aws.md
index 659bbafc..43b26751 100644
--- a/docs/atomic/aws.md
+++ b/docs/atomic/aws.md
@@ -241,4 +241,4 @@ Check the list of valid [instance types](https://aws.amazon.com/ec2/instance-typ
     Do not choose a `controller_type` smaller than `t2.small`. Smaller instances are not sufficient for running a controller.
 
 !!! tip "MTU"
-    If your EC2 instance type supports [Jumbo frames](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/network_mtu.html#jumbo_frame_instances) (most do), we recommend you change the `network_mtu` to 8991! You will get better pod-to-pod bandwidth.
+    If your EC2 instance type supports [Jumbo frames](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/network_mtu.html#jumbo_frame_instances) (most do), we recommend you change the `network_mtu` to 8981! You will get better pod-to-pod bandwidth.
diff --git a/docs/cl/aws.md b/docs/cl/aws.md
index 670b8c62..dc81c554 100644
--- a/docs/cl/aws.md
+++ b/docs/cl/aws.md
@@ -260,4 +260,4 @@ Check the list of valid [instance types](https://aws.amazon.com/ec2/instance-typ
     Do not choose a `controller_type` smaller than `t2.small`. Smaller instances are not sufficient for running a controller.
 
 !!! tip "MTU"
-    If your EC2 instance type supports [Jumbo frames](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/network_mtu.html#jumbo_frame_instances) (most do), we recommend you change the `network_mtu` to 8991! You will get better pod-to-pod bandwidth.
+    If your EC2 instance type supports [Jumbo frames](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/network_mtu.html#jumbo_frame_instances) (most do), we recommend you change the `network_mtu` to 8981! You will get better pod-to-pod bandwidth.
diff --git a/docs/topics/performance.md b/docs/topics/performance.md
index 05fef38d..a59be467 100644
--- a/docs/topics/performance.md
+++ b/docs/topics/performance.md
@@ -25,7 +25,7 @@ Network performance varies based on the platform and CNI plugin. `iperf` was use
 |----------------------------|-------:|-------------:|-------------:|
 | AWS (flannel)              | ?      | 976 MB/s     | 900-999 MB/s |
 | AWS (calico, MTU 1480)     | ?      | 976 MB/s     | 100-350 MB/s |
-| AWS (calico, MTU 8991)     | ?      | 976 MB/s     | 900-999 MB/s |
+| AWS (calico, MTU 8981)     | ?      | 976 MB/s     | 900-999 MB/s |
 | Bare-Metal (flannel)       | 1 GB/s | 934 MB/s     | 903 MB/s     | 
 | Bare-Metal (calico)        | 1 GB/s | 941 MB/s     | 931 MB/s     |
 | Bare-Metal (flannel, bond) | 3 GB/s |  2.3 GB/s    | 1.17 GB/s    |