diff --git a/glutin_egl_sys/src/egl.rs b/glutin_egl_sys/src/egl.rs
index 09f22ca298..8d8a2bc0c5 100644
--- a/glutin_egl_sys/src/egl.rs
+++ b/glutin_egl_sys/src/egl.rs
@@ -230,6 +230,9 @@ pub mod QueryWaylandBufferWL {
     }
 }
 
+/// OpenGL function loader.
+///
+/// This is based on the loader generated by `gl_generator`.
 #[inline(never)]
 fn metaloadfn(
     loadfn: &mut dyn FnMut(&'static str) -> *const __gl_imports::raw::c_void,