Index: src/wp-content/themes/twentytwenty/assets/css/editor-style-classic-rtl.css
===================================================================
--- src/wp-content/themes/twentytwenty/assets/css/editor-style-classic-rtl.css	(revision 48139)
+++ src/wp-content/themes/twentytwenty/assets/css/editor-style-classic-rtl.css	(working copy)
@@ -282,7 +282,7 @@
 body#tinymce.wp-editor.content ol {
 	margin-right: 1.5em;
 	padding-right: 0;
-	list-style: square;
+	list-style: decimal;
 }
 
 body#tinymce.wp-editor.content ul ul {
Index: src/wp-content/themes/twentytwenty/assets/css/editor-style-classic.css
===================================================================
--- src/wp-content/themes/twentytwenty/assets/css/editor-style-classic.css	(revision 48139)
+++ src/wp-content/themes/twentytwenty/assets/css/editor-style-classic.css	(working copy)
@@ -282,7 +282,7 @@
 body#tinymce.wp-editor.content ol {
 	margin-left: 1.5em;
 	padding-left: 0;
-	list-style: square;
+	list-style: decimal;
 }
 
 body#tinymce.wp-editor.content ul ul {