diff --git a/source/ubl-strings.h b/source/ubl-strings.h
index a90fcaa..a1d55c5 100644
--- a/source/ubl-strings.h
+++ b/source/ubl-strings.h
@@ -101,7 +101,7 @@
 #define PRIMARY_GROUP_LABEL _("Primary group")
 #define HOME_DIRECTORY_LABEL _("Home directory")
 #define GROUP_LABEL _("Group")
-#define UPDATE_SYSTEM_LABEL _("Update")
+#define UPDATE_SYSTEM_LABEL _("Update the system users and groups list")
 #define TOGGLE_SYSTEM_LABEL _("Toggle system groups and users")
 
 #define PASSWORD_MISMATCH_LABEL _("Password mismatch")
diff --git a/ubl-settings-usergroups-system.glade b/ubl-settings-usergroups-system.glade
index 0839f73..c58c416 100644
--- a/ubl-settings-usergroups-system.glade
+++ b/ubl-settings-usergroups-system.glade
@@ -98,7 +98,7 @@
                 <property name="visible">True</property>
                 <property name="can-focus">True</property>
                 <property name="receives-default">True</property>
-                <property name="tooltip-text" translatable="yes">Update</property>
+                <property name="tooltip-text" translatable="yes">Update the system users and groups list</property>
                 <property name="image">image2</property>
                 <style>
                   <class name="thin"/>
diff --git a/ubl-settings-usergroups.pot b/ubl-settings-usergroups.pot
index 9dc527d..00319d0 100644
--- a/ubl-settings-usergroups.pot
+++ b/ubl-settings-usergroups.pot
@@ -314,7 +314,7 @@ msgid "Group"
 msgstr ""
 
 #: source/ubl-strings.h:104
-msgid "Update"
+msgid "Update the system users and groups list"
 msgstr ""
 
 #: source/ubl-strings.h:105
diff --git a/ubl-settings-usergroups_ru.po b/ubl-settings-usergroups_ru.po
index a867f13..6ada4d7 100644
--- a/ubl-settings-usergroups_ru.po
+++ b/ubl-settings-usergroups_ru.po
@@ -318,8 +318,8 @@ msgid "Group"
 msgstr "Группа"
 
 #: source/ubl-strings.h:104
-msgid "Update"
-msgstr "Обновить"
+msgid "Update the system users and groups list"
+msgstr "Обновить список пользователей и групп системы"
 
 #: source/ubl-strings.h:105
 msgid "Toggle system groups and users"