diff --git a/src/Mod/BIM/Resources/ui/dialogClassification.ui b/src/Mod/BIM/Resources/ui/dialogClassification.ui
index 9b9a022ee0..de2ce45e70 100644
--- a/src/Mod/BIM/Resources/ui/dialogClassification.ui
+++ b/src/Mod/BIM/Resources/ui/dialogClassification.ui
@@ -173,7 +173,7 @@
             </size>
            </property>
            <property name="toolTip">
-            <string>Apply the selected class to selected materials</string>
+            <string>Apply the selected class to selected objects</string>
            </property>
            <property name="text">
             <string>&lt;&lt; Apply to selected</string>