diff --git a/ref/gl/gl_opengl.c b/ref/gl/gl_opengl.c
index a09ea627..ef56fd87 100644
--- a/ref/gl/gl_opengl.c
+++ b/ref/gl/gl_opengl.c
@@ -1102,7 +1102,7 @@ void GL_InitExtensions( void )
 		pglGetIntegerv( GL_MAX_RECTANGLE_TEXTURE_SIZE_EXT, &glConfig.max_2d_rectangle_size );
 
 	Q_snprintf( value, sizeof( value ), "%i", glConfig.max_2d_texture_size );
-	gEngfuncs.Cvar_Get( "gl_max_size", value, 0, "opengl texture max dims" );
+	gEngfuncs.Cvar_Get( "gl_max_size", value, 0, "opengl texture max dims (compatibility cvar, does nothing)" );
 	gEngfuncs.Cvar_SetValue( "gl_anisotropy", bound( 0, gl_texture_anisotropy.value, glConfig.max_texture_anisotropy ));
 
 	if( GL_Support( GL_TEXTURE_COMPRESSION_EXT ))