fix nRF

Embed/nRF/development_environment.md

@@ -245,9 +245,9 @@ Cry
 
 8. Configure the debugger
    1. Go to `Run ‣ New Embedded Configuration`.
-   2. Set the GDB settings:
+   2. Set the GDB settings: <br>
       ![GDB settings](medias/GDB_settings.png)
-   3. Select your board and click `OK`.
+   3. Click on `Next` and select your board and click `OK`.
 9. Build and debug the project
 
 #### **Windows**