diff --git a/qt-ui/maintab.ui b/qt-ui/maintab.ui
index 7fa86201d..2770801a2 100644
--- a/qt-ui/maintab.ui
+++ b/qt-ui/maintab.ui
@@ -547,7 +547,7 @@
         <item row="2" column="1">
          <widget class="QGroupBox" name="groupBox_7">
           <property name="title">
-           <string>Ave. depth</string>
+           <string>Avg. depth</string>
           </property>
           <layout class="QHBoxLayout" name="horizontalLayout_8">
            <item>