capitalise Raspberry Pi

Author: Andrew Pattison

README.md

@@ -119,11 +119,11 @@ The following environment variables are supported:
 
  * `WPA_ESSID`, `WPA_PASSWORD` and `WPA_COUNTRY` (Default: unset)
 
-   If these are set, they are use to configure `wpa_supplicant.conf`, so that the raspberry pi can automatically connect to a wifi network on first boot. If `WPA_ESSID` is set and `WPA_PASSWORD` is unset an unprotected wifi network will be configured. If set, `WPA_PASSWORD` must be between 8 and 63 characters.
+   If these are set, they are use to configure `wpa_supplicant.conf`, so that the Raspberry Pi can automatically connect to a wifi network on first boot. If `WPA_ESSID` is set and `WPA_PASSWORD` is unset an unprotected wifi network will be configured. If set, `WPA_PASSWORD` must be between 8 and 63 characters.
 
  * `ENABLE_SSH` (Default: `0`)
 
-   Setting to `1` will enable ssh server for remote log in. Note that if you are using a common password such as the defaults there is a high risk of attackers taking over you RaspberryPi.
+   Setting to `1` will enable ssh server for remote log in. Note that if you are using a common password such as the defaults there is a high risk of attackers taking over you Raspberry Pi.
 
  * `STAGE_LIST` (Default: `stage*`)