diff --git a/src/Gui/DlgAddProperty.ui b/src/Gui/DlgAddProperty.ui
index 31059b42f6..ef45352f9b 100644
--- a/src/Gui/DlgAddProperty.ui
+++ b/src/Gui/DlgAddProperty.ui
@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>354</width>
+    <width>418</width>
     <height>258</height>
    </rect>
   </property>
@@ -15,7 +15,7 @@
   </property>
   <layout class="QFormLayout" name="formLayout">
    <item row="0" column="0">
-    <widget class="QLabel" name="label">
+    <widget class="QLabel" name="label_type">
      <property name="text">
       <string>Type</string>
      </property>
@@ -25,7 +25,7 @@
     <widget class="QComboBox" name="comboType"/>
    </item>
    <item row="1" column="0">
-    <widget class="QLabel" name="label_2">
+    <widget class="QLabel" name="label_group">
      <property name="text">
       <string>Group</string>
      </property>
@@ -35,7 +35,7 @@
     <widget class="QLineEdit" name="edtGroup"/>
    </item>
    <item row="2" column="0">
-    <widget class="QLabel" name="label_3">
+    <widget class="QLabel" name="label_name">
      <property name="text">
       <string>Name</string>
      </property>
@@ -45,22 +45,33 @@
     <widget class="QLineEdit" name="edtName"/>
    </item>
    <item row="3" column="0">
-    <widget class="QLabel" name="label_4">
+    <widget class="QLabel" name="label_doc">
+     <property name="toolTip">
+      <string>Verbose description of the new property.</string>
+     </property>
      <property name="text">
-      <string>Document</string>
+      <string>Documentation</string>
      </property>
     </widget>
    </item>
    <item row="3" column="1">
-    <widget class="QPlainTextEdit" name="edtDoc"/>
+    <widget class="QPlainTextEdit" name="edtDoc">
+     <property name="toolTip">
+      <string>Verbose description of the new property.</string>
+     </property>
+    </widget>
    </item>
    <item row="4" column="1">
     <widget class="QCheckBox" name="chkAppend">
      <property name="toolTip">
-      <string>Append the group name in front of the property name in the form of 'group'_'name' to avoid conflict with existing property. The prefixed group name will be auto trimmed when shown in the property editor.</string>
+      <string>Prefix the property name with the group name in the form 'Group_Name' to avoid conflicts with an existing property.
+In this case the prefix will be automatically trimmed when shown in the property editor.
+However, the property is still used in a script with the full name, like 'obj.Group_Name'.
+
+If this is not ticked, then the property must be uniquely named, and it is accessed like 'obj.Name'.</string>
      </property>
      <property name="text">
-      <string>Append group name</string>
+      <string>Prefix group name</string>
      </property>
     </widget>
    </item>