diff --git a/src/wp-includes/css/editor.css b/src/wp-includes/css/editor.css
index 5d8c8e50b4..2485fa726a 100644
--- a/src/wp-includes/css/editor.css
+++ b/src/wp-includes/css/editor.css
@@ -105,8 +105,8 @@
 }
 
 .mce-window .mce-wp-help {
-	height: 320px;
-	width: 360px;
+	height: 360px;
+	width: 460px;
 	overflow: auto;
 }
 
@@ -121,7 +121,7 @@
 }
 
 .mce-window .wp-editor-help {
-	width: 340px;
+	width: 440px;
 	padding: 10px 15px 0;
 }
 
@@ -131,7 +131,7 @@
 }
 
 .mce-window .wp-editor-help table {
-	width: 320px;
+	width: 420px;
 	margin-bottom: 20px;
 }
 
@@ -170,6 +170,10 @@
 	padding: 0 5px;
 }
 
+.mce-window .wp-help-header td:nth-child(odd) {
+    text-align: center;
+}
+
 /* TinyMCE menus */
 .mce-menu,
 .mce-floatpanel.mce-popover {