Update node and npm version numbers.  Update link to NVM
@@ -27,10 +27,10 @@ With the plugin installed, this TOC will update automatically when you save the
## Requirements
-1. node. We currently use node 8.9.4, but the current version number is always
- present in the **.nvmrc** file. Use [NVM](https://github.com/creationix/nvm) to install node.
+1. node. We currently use node 10.15.2, but the current version number is always
+ present in the **.nvmrc** file. Use [NVM](https://github.com/nvm-sh/nvm) to install node.
-1. npm. We currently use npm 5.6.0 which ships with node 8.9.4 so no additional
+1. npm. We currently use npm 6.4.1 which ships with node 10.15.2 so no additional
installation should be necessary.
1. [direnv](https://direnv.net/). This can be installed with `brew install
