diff --git a/README.md b/README.md
index 36baa1416..261ff9ccd 100644
--- a/README.md
+++ b/README.md
@@ -39,11 +39,14 @@ DESIGN GOALS
 SUPPORTED PLATFORMS
 ===================
 
+Graphics APIs:
+
 *   **OpenGL** 2.1 through 4.4, core profile functionality and modern
     extensions
 *   **OpenGL ES** 2.0, 3.0 and extensions to match desktop OpenGL functionality
 *   **WebGL** 1.0 and extensions to match desktop OpenGL functionality
 
+Platforms:
 
 *   **Linux** and embedded Linux (natively using GLX/EGL and Xlib or through
     GLUT or SDL2 toolkit)
diff --git a/doc/mainpage.dox b/doc/mainpage.dox
index 1df14dab9..1c41be21a 100644
--- a/doc/mainpage.dox
+++ b/doc/mainpage.dox
@@ -64,11 +64,15 @@ recent C++11 features and to abstract away platform-specific issues.
 
 @section mainpage-platforms Supported platforms
 
+Graphics APIs:
+
 -   **OpenGL** 2.1 through 4.4, core profile functionality and modern
     extensions
 -   **OpenGL ES** 2.0, 3.0 and extensions to match desktop OpenGL functionality
 -   **WebGL** 1.0 and extensions to match desktop OpenGL functionality
 
+Platforms:
+
 -   **Linux** and embedded Linux (natively using GLX/EGL and Xlib or through
     GLUT or SDL2 toolkit)
 -   **Windows** (through GLUT or SDL2 toolkit)