diff --git a/slides/kube/concepts-k8s.md b/slides/kube/concepts-k8s.md
index abda0ec2..3bf5c4db 100644
--- a/slides/kube/concepts-k8s.md
+++ b/slides/kube/concepts-k8s.md
@@ -243,7 +243,7 @@ Yes!
 
 - We can see the full list by running `kubectl api-resources`
 
-  (Up until Kubernetes 1.10, the command to list API resources was `kubectl get`)
+  (In Kubernetes 1.10 and prior, the command to list API resources was `kubectl get`)
 
 ---
 
diff --git a/slides/kube/kubectlget.md b/slides/kube/kubectlget.md
index 096dac00..988d85d9 100644
--- a/slides/kube/kubectlget.md
+++ b/slides/kube/kubectlget.md
@@ -85,7 +85,7 @@
 
 - We can list all available resource types by running `kubectl api-resources`
   <br/>
-  (up to Kubernetes 1.10, this command used to be `kubectl get`)
+  (In Kubernetes 1.10 and prior, this command used to be `kubectl get`)
 
 - We can view details about a resource with:
   ```bash