Improved docs with sudo and support RPi

README.md

@@ -34,26 +34,34 @@ from source when the kernel is upgraded (for example using your package manager)
 
 1. Install DKMS and other required tools
 
+    * for normal Linux systems
+
+    ```shell
+    $ sudo apt-get install git linux-headers-generic build-essential dkms
+    ```
+
+    * for Raspberry Pi
+
     ```shell
-    $ apt-get install git linux-headers-generic build-essential dkms
+    $ sudo apt-get install git raspberrypi-headers-generic build-essential dkms
     ```
 
 2. Add the driver to DKMS. This will copy the source to a system directory so
 that it can used to rebuild the module on kernel upgrades.
 
     ```shell
-    $ dkms add .
+    $ sudo dkms add .
     ```
 
 3. Build and install the driver.
 
     ```shell
-    $ dkms install rtl8192eu/1.0
+    $ sudo dkms install rtl8192eu/1.0
     ```
 
 If you wish to uninstall the driver at a later point, use
-_dkms uninstall rtl8192eu/1.0_. To completely remove the driver from DKMS use
-_dkms remove rtl8192eu/1.0_.
+_sudo dkms uninstall rtl8192eu/1.0_. To completely remove the driver from DKMS use
+_sudo dkms remove rtl8192eu/1.0_.
 
 ## Submitting patches