diff --git a/docs/02-certificate-authority.md b/docs/02-certificate-authority.md
index e59ae24..6417855 100644
--- a/docs/02-certificate-authority.md
+++ b/docs/02-certificate-authority.md
@@ -24,6 +24,35 @@ kubernetes.pem
 
 Follow the [CFSSL installation guide](https://github.com/cloudflare/cfssl#installation) and install `cfssl` and `cfssljson` binaries.
 
+### OS X
+
+```
+wget https://pkg.cfssl.org/R1.2/cfssl_darwin-amd64
+chmod +x cfssl_darwin-amd64
+sudo mv cfssl_darwin-amd64 /usr/local/bin/cfssl
+```
+
+```
+wget https://pkg.cfssl.org/R1.2/cfssljson_darwin-amd64
+chmod +x cfssljson_darwin-amd64
+sudo mv cfssljson_darwin-amd64 /usr/local/bin/cfssljson
+```
+
+
+### Linux
+
+```
+wget https://pkg.cfssl.org/R1.2/cfssl_linux-amd64
+chmod +x cfssl_linux-amd64
+sudo mv cfssl_darwin-amd64 /usr/local/bin/cfssl
+```
+
+```
+wget https://pkg.cfssl.org/R1.2/cfssljson_linux-amd64
+chmod +x cfssljson_linux-amd64
+sudo mv cfssljson_linux-amd64 /usr/local/bin/cfssljson
+```
+
 ## Setting up a Certificate Authority
 
 ### Create the CA configuration file
diff --git a/docs/06-kubectl.md b/docs/06-kubectl.md
index 7177996..89ebe7d 100644
--- a/docs/06-kubectl.md
+++ b/docs/06-kubectl.md
@@ -7,7 +7,7 @@
 ```
 wget https://storage.googleapis.com/kubernetes-release/release/v1.3.0/bin/darwin/amd64/kubectl
 chmod +x kubectl
-sudo cp kubectl /usr/local/bin
+sudo mv kubectl /usr/local/bin
 ```
 
 ### Linux
@@ -15,7 +15,7 @@ sudo cp kubectl /usr/local/bin
 ```
 wget https://storage.googleapis.com/kubernetes-release/release/v1.3.0/bin/linux/amd64/kubectl
 chmod +x kubectl
-sudo cp kubectl /usr/local/bin
+sudo mv kubectl /usr/local/bin
 ```
 
 ## Configure Kubectl