diff --git a/application/Espo/Core/Pdf/Tcpdf.php b/application/Espo/Core/Pdf/Tcpdf.php
index 27c8374973..03da6ab085 100644
--- a/application/Espo/Core/Pdf/Tcpdf.php
+++ b/application/Espo/Core/Pdf/Tcpdf.php
@@ -27,6 +27,11 @@
  * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
  ************************************************************************/
 
+/************************************************************************
+ * This file contains code parts copied from TCPDF software library
+ * that is published under GNU Lesser General Public License.
+ ************************************************************************/
+
 namespace Espo\Core\Pdf;
 
 define('K_TCPDF_EXTERNAL_CONFIG', true);
diff --git a/application/Espo/Core/Webhook/Sender.php b/application/Espo/Core/Webhook/Sender.php
index ede50a39d6..e707b5c45d 100644
--- a/application/Espo/Core/Webhook/Sender.php
+++ b/application/Espo/Core/Webhook/Sender.php
@@ -74,7 +74,7 @@ class Sender
         $handler = curl_init($webhook->get('url'));
         curl_setopt($handler, \CURLOPT_RETURNTRANSFER, true);
         curl_setopt($handler, \CURLOPT_FOLLOWLOCATION, true);
-        curl_setopt($handler, \CURLOPT_SSL_VERIFYPEER, false);
+        curl_setopt($handler, \CURLOPT_SSL_VERIFYPEER, true);
         curl_setopt($handler, \CURLOPT_HEADER, true);
         curl_setopt($handler, \CURLOPT_CUSTOMREQUEST, 'POST');
         curl_setopt($handler, \CURLOPT_CONNECTTIMEOUT, $connectTimeout);
diff --git a/application/Espo/Resources/i18n/en_US/Admin.json b/application/Espo/Resources/i18n/en_US/Admin.json
index 4be1e676ca..45958d207d 100644
--- a/application/Espo/Resources/i18n/en_US/Admin.json
+++ b/application/Espo/Resources/i18n/en_US/Admin.json
@@ -269,7 +269,7 @@
         "systemRequirements": "System Requirements for EspoCRM.",
         "apiUsers": "Separate users for integration purposes.",
         "webhooks": "Manage webhooks.",
-        "emailAddresses": "All emailes addresses stored in the system.",
+        "emailAddresses": "All email addresses stored in the system.",
         "phoneNumbers": "All phone numbers stored in the system.",
         "dashboardTemplates": "Deploy dashboards to users.",
         "layoutSets": "Collections of layouts that can be assigned to teams & portals.",
diff --git a/application/Espo/Resources/i18n/en_US/Import.json b/application/Espo/Resources/i18n/en_US/Import.json
index 258238305e..ac0c46cb73 100644
--- a/application/Espo/Resources/i18n/en_US/Import.json
+++ b/application/Espo/Resources/i18n/en_US/Import.json
@@ -67,7 +67,7 @@
         "removeDuplicates": "This will permanently remove all imported records that were recognized as duplicates.",
         "confirmRevert": "This will remove all imported records permanently. Are you sure?",
         "confirmRemoveDuplicates": "This will permanently remove all imported records that were recognized as duplicates. Are you sure?",
-        "confirmRemoveImportLog" : "This will remove the import log. All imported records will be kept. You won't be able to revert import results. Are you sure you?",
+        "confirmRemoveImportLog" : "This will remove the import log. All imported records will be kept. You won't be able to revert import results. Are you sure?",
         "removeImportLog": "This will remove the import log. All imported records will be kept. Use it if you are sure that import is fine."
     },
     "fields": {
diff --git a/client/src/ui.js b/client/src/ui.js
index 4f19bd3828..a21a6b40a4 100644
--- a/client/src/ui.js
+++ b/client/src/ui.js
@@ -501,7 +501,7 @@ define('ui', [], function () {
         },
 
         error: function (message) {
-            Espo.Ui.notify(message, 'error', 2000);
+            Espo.Ui.notify(message, 'error', 4000);
         },
 
         info: function (message) {