Fixing typo in mv command

Author: cdbartholomew

README.md

@@ -8,7 +8,7 @@ Start a root shell in the node's host OS running.
 ```
 curl -LO https://github.com/kvaps/kubectl-node-shell/raw/master/kubectl-node_shell
 chmod +x ./kubectl-node_shell
-sudo mv ./kubectl-node-shell /usr/local/bin/kubectl-node_shell
+sudo mv ./kubectl-node_shell /usr/local/bin/kubectl-node_shell
 ```
 
 ## Usage