diff --git a/Readme.md b/Readme.md
index 6ce2963..620f436 100644
--- a/Readme.md
+++ b/Readme.md
@@ -2,18 +2,18 @@
 
 This is the location of AOE techradar content - published under: https://www.aoe.com/techradar/index.html
 
-
-
 ## Development
+### Requirements
+Install the [yarn package manager](https://yarnpkg.com/getting-started/install).
+
 ### Host the application under a sub path
-To host the application under a sub path, set the environment variable `PUBLIC_URL`, e.g. "/techradar". The default is `/techradar`.
+To host the application under a sub path, set the environment variable `PUBLIC_URL`, e.g. "/techradar". The default is `/build`.
 
 > For local development I recommend using `/build` and use this for the following steps. 
 
 ### Build the radar
 ```
-yarn
-export PUBLIC_URL="/build" && yarn start
+yarn start
 ```
 
 Then open here: http://localhost:8080/build
diff --git a/package.json b/package.json
index 83a1517..5aa7bce 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
   "main": "index.js",
   "license": "MIT",
   "scripts": {
+    "pregenerateJson": "yarn",
     "generateJson": "aoe_technology_radar-generateJson",
     "prebuild": "yarn generateJson",
     "build": "aoe_technology_radar-buildRadar",
diff --git a/yarn.lock b/yarn.lock
index 775088e..aab1498 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2355,7 +2355,7 @@ anymatch@^3.0.0, anymatch@^3.0.3, anymatch@~3.1.2:
 
 "aoe_technology_radar@https://github.com/aoepeople/aoe_technology_radar.git":
   version "2.0.0"
-  resolved "https://github.com/aoepeople/aoe_technology_radar.git#466227641cad8c52c8a78812671cac7a671d6007"
+  resolved "https://github.com/aoepeople/aoe_technology_radar.git#e2d2cd6e86547d6c4a493b350b1cb1322d499233"
   dependencies:
     "@types/fs-extra" "^9.0.11"
     "@types/marked" "^2.0.3"