diff --git a/gfx/drivers/gl.c b/gfx/drivers/gl.c
index f3cb78aec5..2b8c725ebe 100644
--- a/gfx/drivers/gl.c
+++ b/gfx/drivers/gl.c
@@ -15,6 +15,12 @@
  *  If not, see <http://www.gnu.org/licenses/>.
  */
 
+/* Middle of the road OpenGL driver.
+ *
+ * Minimum version (desktop): OpenGL 2.0+
+ * Minimum version (mobile) : OpenGLES 2.0+
+ */
+
 #ifdef _MSC_VER
 #pragma comment(lib, "opengl32")
 #endif
diff --git a/gfx/drivers/gl1.c b/gfx/drivers/gl1.c
index 77550ca204..5da24e03b5 100644
--- a/gfx/drivers/gl1.c
+++ b/gfx/drivers/gl1.c
@@ -15,7 +15,9 @@
  *  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/* We are targeting a minimum of OpenGL 1.1 and the Microsoft "GDI Generic" software GL implementation.
+/* OpenGL driver.
+ *
+ * We are targeting a minimum of OpenGL 1.1 and the Microsoft "GDI Generic" software GL implementation.
  * Any additional features added for later 1.x versions should only be enabled if they are detected at runtime. */
 
 #include <stddef.h>
diff --git a/gfx/drivers/gl_core.c b/gfx/drivers/gl_core.c
index ef3025e01e..63528444a3 100644
--- a/gfx/drivers/gl_core.c
+++ b/gfx/drivers/gl_core.c
@@ -13,6 +13,12 @@
  *  If not, see <http://www.gnu.org/licenses/>.
  */
 
+/* Modern OpenGL driver.
+ *
+ * Minimum version (desktop): OpenGL 3.2+
+ * Minimum version (mobile) : OpenGLES 3.0+
+ */
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif