Added reference to the fact it works on a Zero

README.md

@@ -31,7 +31,7 @@ For those interested in the technical details its mostly written in PHP which ru
 
 ### Features
 - Full GPIO control including input/output mode switching and on off toggling.
-- Support for Raspberry Pi Model A, Model B revision 1 and 2 (including both 256MB and 512MB versions) and Model B+.
+- Support for Raspberry Pi Zero, Model A, Model B revision 1 and 2 (including both 256MB and 512MB versions) and Model B+.
 - Ability to take photos and adjust camera settings (video coming soon).
 - SPI DAC control and ADC values display.
 - Control of HDD44780 or KS0066U compatible LCD's (and VFD's).