diff --git a/Source/Core/DolphinQt/RenderWidget.cpp b/Source/Core/DolphinQt/RenderWidget.cpp
index 129fad9858..ac07dfcf27 100644
--- a/Source/Core/DolphinQt/RenderWidget.cpp
+++ b/Source/Core/DolphinQt/RenderWidget.cpp
@@ -262,7 +262,16 @@ void RenderWidget::SetCursorLocked(bool locked, bool follow_aspect_ratio)
 
     if (ClipCursor(&rect))
 #else
-    // TODO: implement on other platforms. Probably XGrabPointer on Linux.
+    // TODO: Implement on other platforms. XGrabPointer on Linux X11 should be equivalent to
+    // ClipCursor on Windows, though XFixesCreatePointerBarrier and XFixesDestroyPointerBarrier
+    // may also work. On Wayland zwp_pointer_constraints_v1::confine_pointer and
+    // zwp_pointer_constraints_v1::destroy provide this functionality.
+    // More info:
+    // https://stackoverflow.com/a/36269507
+    // https://tronche.com/gui/x/xlib/input/XGrabPointer.html
+    // https://www.x.org/releases/X11R7.7/doc/fixesproto/fixesproto.txt
+    // https://wayland.app/protocols/pointer-constraints-unstable-v1
+
     // The setting is hidden in the UI if not implemented
     if (false)
 #endif