HASS.io image changed... (home-assistant#5539)

* HASS.io image changed...

I made the mistake of copying and pasting line 34-36 into my MacOS terminal and noticed that the file name has changed since this was written.

* Minor change

Author: arretx

source/hassio/installation.markdown

@@ -32,8 +32,8 @@ Please remember to ensure you're using an [appropriate power supply](https://www
   There is an easy workaround, just uncompress the image first.
 
   ```bash
-  bunzip2 -c resinos-hassio-1.1-raspberrypi3.img.bz2 > image.img
-  ```
+  $ bunzip2 -c resinos-hassio-1.3-raspberrypi3.img.bz2 > image.img
+  ``` 
 </p>
 
 - Optional - Setup the WiFi or static IP: On the SD-card, edit the `system-connections/resin-sample` file and follow the [ResinOS howto][resinos-network].
@@ -72,7 +72,7 @@ This is the list of packages you need to have available on your system that will
 To perform the Hass.io installation, run the following command as root:
 
 ```bash
-curl -sL https://raw.githubusercontent.com/home-assistant/hassio-build/master/install/hassio_install | bash -s
+$ curl -sL https://raw.githubusercontent.com/home-assistant/hassio-build/master/install/hassio_install | bash -s
 ```
 
 <p class='note'>