fix readme

README.md

@@ -1,10 +1,10 @@
 # rt3x-oled
 
-This is simple OLED support for the [rt3](https://github.com/chl33/rt3) library for ESP projects using the Arduino framework with [Platformio](https://platformio.org/).
+This is simple OLED support for the [og3](https://github.com/chl33/og3) library for ESP projects using the Arduino framework with [Platformio](https://platformio.org/).
 
 It currently supports 0.91 Inch I2C OLED Display Modules, such as these from
 - [Amazon](https://www.amazon.com/gp/product/B08CDN5PSJ) and
 - [AliExpress](https://www.aliexpress.us/item/2251832485915041.html).
 
-![image](https://github.com/chl33/rt3x-oled/assets/64091421/4ee4b222-94ac-442d-b1de-872a550e00f2)
+![image](https://github.com/chl33/og3x-oled/assets/64091421/4ee4b222-94ac-442d-b1de-872a550e00f2)