diff --git a/README.md b/README.md
index 6de9440..78b09ad 100644
--- a/README.md
+++ b/README.md
@@ -128,6 +128,12 @@ npx --yes yarn build
 Please make sure that you have installed `node.js` and `yarn`.
 Open `nvim` and run `:PackerInstall` to make it workable
 
+#### Note About MacOS
+
+This plugin requires a further step in order for it to render markdown on MacOS; affects all Vim flavours. 
+
+cd to this directory, then: `npm install` 
+
 ### MarkdownPreview Config:
 
 ```vim