diff --git a/source/ubl-strings.h b/source/ubl-strings.h
index 46d9f02..f394e9b 100644
--- a/source/ubl-strings.h
+++ b/source/ubl-strings.h
@@ -49,7 +49,7 @@
 #define SHOW_SOURCE_LABEL _("Show source")
 #define PROPERTIES_LABEL _("Properties")
 #define ACTIVATE_SESSION_LABEL _("Activate session")
-#define END_SESSION_LABEL _("End session")
+#define END_SESSION_LABEL _("Terminate session")
 #define BLOCK_SESSION_LABEL _("Block session")
 
 #define SOURCE_UNFOUND_LABEL _("Service source were not loaded")
diff --git a/ubl-settings-services.glade b/ubl-settings-services.glade
index 5be103e..0726e48 100644
--- a/ubl-settings-services.glade
+++ b/ubl-settings-services.glade
@@ -1543,6 +1543,7 @@
                     <property name="visible">True</property>
                     <property name="can-focus">True</property>
                     <property name="receives-default">True</property>
+                    <property name="tooltip-text" translatable="yes">Activate session</property>
                     <property name="image">image11</property>
                     <style>
                       <class name="thin"/>
@@ -1559,6 +1560,7 @@
                     <property name="visible">True</property>
                     <property name="can-focus">True</property>
                     <property name="receives-default">True</property>
+                    <property name="tooltip-text" translatable="yes">Terminate session</property>
                     <property name="image">image10</property>
                     <style>
                       <class name="thin"/>
@@ -1575,6 +1577,7 @@
                     <property name="visible">True</property>
                     <property name="can-focus">True</property>
                     <property name="receives-default">True</property>
+                    <property name="tooltip-text" translatable="yes">Lock session</property>
                     <property name="image">image9</property>
                     <style>
                       <class name="thin"/>
@@ -1740,7 +1743,9 @@
                         <property name="can-focus">True</property>
                         <property name="model">TimersList</property>
                         <child internal-child="selection">
-                          <object class="GtkTreeSelection"/>
+                          <object class="GtkTreeSelection">
+                            <property name="mode">none</property>
+                          </object>
                         </child>
                         <child>
                           <object class="GtkTreeViewColumn">
diff --git a/ubl-settings-services.pot b/ubl-settings-services.pot
index 1b6746d..72b07df 100644
--- a/ubl-settings-services.pot
+++ b/ubl-settings-services.pot
@@ -170,7 +170,7 @@ msgid "Activate session"
 msgstr ""
 
 #: source/ubl-strings.h:52
-msgid "End session"
+msgid "Terminate session"
 msgstr ""
 
 #: source/ubl-strings.h:53
diff --git a/ubl-settings-services_ru.po b/ubl-settings-services_ru.po
index 3d0f737..ae78c58 100644
--- a/ubl-settings-services_ru.po
+++ b/ubl-settings-services_ru.po
@@ -171,7 +171,7 @@ msgid "Activate session"
 msgstr "Активировать сессию"
 
 #: source/ubl-strings.h:52
-msgid "End session"
+msgid "Terminate session"
 msgstr "Завершить сессию"
 
 #: source/ubl-strings.h:53