docs: incorrect install example

README.md

@@ -4,7 +4,6 @@ Eleventy plugin to make all external links open securely in a new tab
 
 ```shell script
 npm install -D eleventy-plugin-external-links
-yarn install -D eleventy-plugin-external-links
 ```
 
 Then simply add it to you eleventy config

package.json

 {
   "name": "eleventy-plugin-external-links",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "Eleventy plugin to make all external links open securely in a new tab",
   "main": "index.js",
   "license": "MIT",