diff --git a/css-forms-1/Overview.bs b/css-forms-1/Overview.bs
index 1ef2789719e..fcdcf542a40 100644
--- a/css-forms-1/Overview.bs
+++ b/css-forms-1/Overview.bs
@@ -55,6 +55,33 @@ Styling form control pickers: the ''::picker()'' pseudo-element
</style>
+
+Picker opener icon: the ''::picker-icon'' pseudo-element
+
+ The ''::picker-icon'' pseudo-element is only generated when the
+ originating element has base appearance and opens a picker.
+
+ ''::picker-icon'' is a [=tree-abiding pseudo-element=]. It accepts all
+ properties. It inherits from its [=originating element=].
+
+ ''::picker-icon'' generates a box as if it was an child of its
+ originating element, after any boxes generated by the ''::after''
+ pseudo-element, with content as specified by 'content'.
+
+
+Checkmark icon: the ''::checkmark'' pseudo-element
+
+ The '::checkmark'' pseudo-element is only generated when the originating
+ element supports the :checked pseudo-class and either has base
+ appearance or an ancestor with base appearance.
+
+ ''::checkmark'' is a [=tree-abiding pseudo-element=]. It accepts all properties.
+ It inherits from its [=originating element=].
+
+ ''::checkmark'' generates a box as if it was an child of its originating
+ element, preceding any boxes generated by the ''::before''
+ pseudo-element, with content as specified by 'content'.
+
Basic Styling Proposals {#ideas}
================================
diff --git a/css-pseudo-4/Overview.bs b/css-pseudo-4/Overview.bs
index 04189850315..0adc2c3da08 100644
--- a/css-pseudo-4/Overview.bs
+++ b/css-pseudo-4/Overview.bs
@@ -2053,4 +2053,4 @@ Acknowledgements
get-computed-style-crash.html
svg-text-selection-002.html
text-selection.html
-
\ No newline at end of file
+