1 files changed, 1 insertions, 0 deletions
diff --git a/less/close.less b/less/close.less
index 9b4e74f2b..6d5bfe087 100644
--- a/less/close.less
+++ b/less/close.less
@@ -23,6 +23,7 @@
   // Additional properties for button version
   // iOS requires the button element instead of an anchor tag.
   // If you want the anchor version, it requires `href="#"`.
+  // See https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
   button& {
     padding: 0;
     cursor: pointer;