diff --git a/src/mainwindow.ui b/src/mainwindow.ui
index 248eea4..e655b53 100755
--- a/src/mainwindow.ui
+++ b/src/mainwindow.ui
@@ -54,24 +54,24 @@
             <property name="flat">
              <bool>false</bool>
             </property>
-            <layout class="QVBoxLayout" name="verticalLayout_4" stretch="0,0,0,0">
+            <layout class="QVBoxLayout" name="verticalLayout_4" stretch="0,0,0,0,0,0,0">
              <item>
               <widget class="QPushButton" name="PBStartSession">
                <property name="toolTip">
                 <string>Start a new session. A new window will be opened to enter all required parameters.</string>
                </property>
                <property name="text">
-                <string>Start Session</string>
+                <string>Start session</string>
                </property>
               </widget>
              </item>
              <item>
               <widget class="QPushButton" name="PBShowSessions">
                <property name="enabled">
-                <bool>false</bool>
+                <bool>true</bool>
                </property>
                <property name="text">
-                <string>Show Sessions</string>
+                <string>Show sessions</string>
                </property>
               </widget>
              </item>
@@ -81,7 +81,28 @@
                 <string>Kill all local z-Tree instances</string>
                </property>
                <property name="text">
-                <string>Kill z-Tree</string>
+                <string>Terminate z-Tree</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="Line" name="line_4">
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QLabel" name="label">
+               <property name="text">
+                <string>Session recovery:</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QPushButton" name="PBrestartCrashedSession">
+               <property name="text">
+                <string>Continue crashed session</string>
                </property>
               </widget>
              </item>
@@ -140,7 +161,7 @@
                 <string>Kills zLeaf on all selected clients.</string>
                </property>
                <property name="text">
-                <string>Kill z-Leaf</string>
+                <string>Terminate z-Leaf</string>
                </property>
               </widget>
              </item>
@@ -202,13 +223,6 @@
                </item>
               </layout>
              </item>
-             <item>
-              <widget class="QPushButton" name="PBrestartCrashedSession">
-               <property name="text">
-                <string>Restart crashed session</string>
-               </property>
-              </widget>
-             </item>
             </layout>
            </widget>
           </item>