diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index e0bb9368..01d13725 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -126,6 +126,7 @@ video tutorials.
  - lukect
  - Tristam MacDonald
  - Hans Mackowiak
+ - Ramiro Magno
  - Дмитри Малышев
  - Zbigniew Mandziejewicz
  - Adam Marcus
diff --git a/docs/window.dox b/docs/window.dox
index 2852a809..3cec6358 100644
--- a/docs/window.dox
+++ b/docs/window.dox
@@ -497,7 +497,8 @@ should also declare this in its `Info.plist` by setting the
 @anchor GLFW_X11_CLASS_NAME_hint
 @anchor GLFW_X11_INSTANCE_NAME_hint
 __GLFW_X11_CLASS_NAME__ and __GLFW_X11_INSTANCE_NAME__ specifies the desired
-ASCII encoded class and instance parts of the ICCCM `WM_CLASS` window property.
+ASCII encoded class and instance parts of the ICCCM `WM_CLASS` window property.  Both
+hints need to be set to something other than an empty string for them to take effect.
 These are set with @ref glfwWindowHintString.
 
 @subsubsection window_hints_wayland Wayland specific window hints