Merge pull request #1 from endrebak/patch-1

Update README.md

README.md

@@ -10,9 +10,9 @@ I opted to use the CDN prebuilt distribution and not the `npm` package since tha
 git clone https://github.com/thheller/reagent-pdfjs.git
 cd reagent-pdfjs
 npm install
-npx shadow-cljs watch app
+npx shadow-cljs watch demo
 ```
 
 Wait for "Build completed." and open `http://localhost:8400` in your Browser. You should see a "Hello World" pdf displayed.
 
-This example shows how to use React `useRef` in combination with `useEffect` to interop with foreign DOM libraries that don't use the React/reagent rendering model. It applies to many other libraries (eg. d3) in the same way. Create a DOM node, add a ref and use that via within the `useEffect` callback. Sometimes it may be necessary to "clean up" after yourself in that hook. Couldn't find anything about that in the pdf.js docs, so I only added a log where you'd do it.
+This example shows how to use React `useRef` in combination with `useEffect` to interop with foreign DOM libraries that don't use the React/reagent rendering model. It applies to many other libraries (eg. d3) in the same way. Create a DOM node, add a ref and use that via within the `useEffect` callback. Sometimes it may be necessary to "clean up" after yourself in that hook. Couldn't find anything about that in the pdf.js docs, so I only added a log where you'd do it.