diff --git a/www/common/onlyoffice/inner.js b/www/common/onlyoffice/inner.js
index 2afef4978..591eccc2c 100644
--- a/www/common/onlyoffice/inner.js
+++ b/www/common/onlyoffice/inner.js
@@ -1939,7 +1939,7 @@ define([
             var text = getContent();
             var suggestion = Title.suggestTitle(Title.defaultTitle);
             var ext = ['.xlsx', '.ods', '.bin',
-            //'.csv', // XXX
+            //'.csv', // XXX 4.11.0
             '.pdf'];
             var type = common.getMetadataMgr().getPrivateData().ooType;
             var warning = '';
diff --git a/www/common/sframe-common.js b/www/common/sframe-common.js
index 6a7e3effd..c05bdfe3f 100644
--- a/www/common/sframe-common.js
+++ b/www/common/sframe-common.js
@@ -921,7 +921,7 @@ define([
             });
 
             ctx.sframeChan.on('EV_WORKER_TIMEOUT', function () {
-                UI.errorLoadingScreen(Messages.timeoutError, false, function () { // XXX mobile users can't necessarily hit 'ESC' as this message suggests. provice a click option
+                UI.errorLoadingScreen(Messages.timeoutError, false, function () { // XXX 4.11.0 mobile users can't necessarily hit 'ESC' as this message suggests. provice a click option
                     funcs.gotoURL('');
                 });
             });