diff --git a/apps/api/documents/api.js b/apps/api/documents/api.js
index c019be657..d36b44e2f 100644
--- a/apps/api/documents/api.js
+++ b/apps/api/documents/api.js
@@ -143,31 +143,36 @@
                         reviewDisplay: 'original', // original for viewer, markup for editor
                         trackChanges: undefined // true/false - open editor with track changes mode on/off,
                     },
-                    layout: {
+                    layout: { // hide elements, but don't disable feature
                         toolbar: {
-                            file: {
-                                close: false / true,
-                                advanced: false / true,
-                                info: false / true
+                            file: { // menu file
+                                close: false / true, // close menu button
+                                settings: false / true, // advanced settings
+                                info: false / true // document info
                             } / false / true,
-                            layout:  {} / false / true,
-                            references:  {} / false / true,
-                            collaboration:  {} / false / true
+                            layout:  false / true, // layout tab
+                            references:  false / true, // de references tab
+                            collaboration:  false / true // collaboration tab
+                            protect:  false / true, // protect tab
+                            plugins:  false / true // plugins tab
+                        },
+                        header: {
+                            users: false/true // users list button
                         },
                         leftMenu: {
                             navigation: false/true
-                        },
-                        rightMenu: false/true,
+                        } / false / true, // use instead of customization.leftMenu
+                        rightMenu: false/true, // use instead of customization.rightMenu
                         statusBar: {
-                            textLang: false/true
-                            docLang: false/true
+                            textLang: false/true // text language button in de/pe
+                            docLang: false/true // document language button in de/pe
                         }
                     },
-                    features: {
+                    features: { // disable feature
                         spellcheck: {
-                            mode: false/true // значение при первом открытии редактора
-                            change: false/true // показывать настройку или скрывать
-                        } / false / true // если не объект, то как и раньше - значение при первом открытии    редактора
+                            mode: false/true // init value
+                            change: false/true // hide/show feature
+                        } / false / true // if false/true - use as init value. use instead of customization.spellcheck parameter
                     },
                     chat: true,
                     comments: true,
@@ -187,7 +192,7 @@
                     toolbarNoTabs: false,
                     toolbarHideFileName: false,
                     reviewDisplay: 'original', // must be deprecated. use customization.review.reviewDisplay instead
-                    spellcheck: true,
+                    spellcheck: true, // must be deprecated. use customization.features.spellcheck instead
                     compatibleFeatures: false,
                     unit: 'cm' // cm, pt, inch,
                     mentionShare : true // customize tooltip for mention,
diff --git a/apps/common/main/lib/view/Header.js b/apps/common/main/lib/view/Header.js
index 780ed9d52..cb36868df 100644
--- a/apps/common/main/lib/view/Header.js
+++ b/apps/common/main/lib/view/Header.js
@@ -82,7 +82,7 @@ define([
                                     '<div class="btn-slot" id="slot-hbtn-print"></div>' +
                                     '<div class="btn-slot" id="slot-hbtn-download"></div>' +
                                 '</div>' +
-                                '<div class="hedset">' +
+                                '<div class="hedset" data-layout-name="header-users">' +
                                     // '<span class="btn-slot text" id="slot-btn-users"></span>' +
                                     '<section id="tlb-box-users" class="box-cousers dropdown"">' +
                                         '<div class="btn-users" data-hint="0" data-hint-direction="bottom" data-hint-offset="big">' +