Update description on examples/README.md

Author: Gideon Serfontein

examples/README.md

@@ -92,7 +92,7 @@ Examples using raylib shapes drawing functionality, provided by raylib [shapes](
 | [shapes_digital_clock](shapes/shapes_digital_clock.c) | <img src="shapes/shapes_digital_clock.png" alt="shapes_digital_clock" width="80"> | ⭐⭐⭐⭐️ | 5.5 | 5.6 | [Hamza RAHAL](https://github.com/hmz-rhl) |
 | [shapes_double_pendulum](shapes/shapes_double_pendulum.c) | <img src="shapes/shapes_double_pendulum.png" alt="shapes_double_pendulum" width="80"> | ⭐⭐☆☆ | 5.5 | 5.5 | [JoeCheong](https://github.com/Joecheong2006) |
 | [shapes_dashed_line](shapes/shapes_dashed_line.c) | <img src="shapes/shapes_dashed_line.png" alt="shapes_dashed_line" width="80"> | ⭐☆☆☆ | 5.5 | 5.5 | [Luís Almeida](https://github.com/luis605) |
-| [shapes_pie_chart](shapes/shapes_pie_chart.c) | <img src="shapes/shapes_pie_chart.png" alt="shapes_pie_chart" width="80"> | ⭐☆☆☆ | 5.5 | 5.6 | [<author_name>](https://github.com/<user_github>) |
+| [shapes_pie_chart](shapes/shapes_pie_chart.c) | <img src="shapes/shapes_pie_chart.png" alt="shapes_pie_chart" width="80"> | ⭐☆☆☆ | 5.5 | 5.6 | [Gideon Serfontein](https://github.com/GideonSerf) |
 
 ### category: textures [26]