diff --git a/src/Mod/Material/Gui/MaterialsEditor.ui b/src/Mod/Material/Gui/MaterialsEditor.ui
index 1f9704ba17..c676cf2451 100644
--- a/src/Mod/Material/Gui/MaterialsEditor.ui
+++ b/src/Mod/Material/Gui/MaterialsEditor.ui
@@ -198,8 +198,11 @@
           </item>
           <item>
            <widget class="QPushButton" name="buttonFavorite">
+            <property name="toolTip">
+             <string>Add to favorites</string>
+            </property>
             <property name="text">
-             <string>*</string>
+             <string notr="true">*</string>
             </property>
            </widget>
           </item>
@@ -229,15 +232,21 @@
           </item>
           <item>
            <widget class="QPushButton" name="buttonPhysicalAdd">
+            <property name="toolTip">
+             <string>Add physical model</string>
+            </property>
             <property name="text">
-             <string>+</string>
+             <string notr="true">+</string>
             </property>
            </widget>
           </item>
           <item>
            <widget class="QPushButton" name="buttonPhysicalRemove">
+            <property name="toolTip">
+             <string>Delete physical model</string>
+            </property>
             <property name="text">
-             <string>-</string>
+             <string notr="true">-</string>
             </property>
            </widget>
           </item>
@@ -273,15 +282,21 @@
           </item>
           <item>
            <widget class="QPushButton" name="buttonAppearanceAdd">
+            <property name="toolTip">
+             <string>Add appearance model</string>
+            </property>
             <property name="text">
-             <string>+</string>
+             <string notr="true">+</string>
             </property>
            </widget>
           </item>
           <item>
            <widget class="QPushButton" name="buttonAppearanceRemove">
+            <property name="toolTip">
+             <string>Delete appearance model</string>
+            </property>
             <property name="text">
-             <string>-</string>
+             <string notr="true">-</string>
             </property>
            </widget>
           </item>
diff --git a/src/Mod/Material/Gui/ModelSelect.ui b/src/Mod/Material/Gui/ModelSelect.ui
index 5debe4e047..085993f36c 100644
--- a/src/Mod/Material/Gui/ModelSelect.ui
+++ b/src/Mod/Material/Gui/ModelSelect.ui
@@ -159,7 +159,7 @@
              <string>Add to favorites</string>
             </property>
             <property name="text">
-             <string>*</string>
+             <string notr="true">*</string>
             </property>
            </widget>
           </item>