diff --git a/libxml2/PKGBUILD b/libxml2/PKGBUILD
index a79991af..fc5dae94 100644
--- a/libxml2/PKGBUILD
+++ b/libxml2/PKGBUILD
@@ -54,6 +54,7 @@ prepare() {
   apply_patch_with_msg \
     libxml2-2.9.8-python3-unicode-errors.patch
 
+  # https://gitlab.gnome.org/GNOME/libxml2/-/issues/961
   apply_patch_with_msg \
     0001-missing-export.patch