diff --git a/docs/REFERENCES.md b/docs/REFERENCES.md
index 7388d1b..a5e792d 100644
--- a/docs/REFERENCES.md
+++ b/docs/REFERENCES.md
@@ -10,6 +10,7 @@
   * [glX](https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/#glX)
   * [OpenGL 2.1](https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/)
   * [GLSL 3.30](https://www.khronos.org/registry/OpenGL/specs/gl/GLSLangSpec.3.30.pdf)
+  * [RSVG-2](https://gnome.pages.gitlab.gnome.org/librsvg/Rsvg-2.0/index.html)
 * Event handling
   * [Cursor tracking using XInput2](https://keithp.com/blogs/Cursor_tracking/)
 * Window manager protocols