manual, parsing devs

collections/developers/javascript/grid3_javascript_installation.md

@@ -107,12 +107,10 @@ The easiest way to test the installation is to run the following command with ei
 You can explore the Grid Client by testing the different scripts proposed in **grid_client/scripts**.
 
 - Update your customized deployments specs if needed
-- Run using [ts-node](https://www.npmjs.com/ts-node)
-  - With yarn
+- Run using [ts-node](https://www.npmjs.com/ts-node) with yarn or npx
   ```bash
   yarn run ts-node --project tsconfig-node.json scripts/zdb.ts
   ```
-  - With npx
   ```bash
   npx ts-node --project tsconfig-node.json scripts/zdb.ts
   ```