diff --git a/src/Mod/Arch/Resources/ui/ArchSchedule.ui b/src/Mod/Arch/Resources/ui/ArchSchedule.ui
index f6db541314..a55d9c88f8 100644
--- a/src/Mod/Arch/Resources/ui/ArchSchedule.ui
+++ b/src/Mod/Arch/Resources/ui/ArchSchedule.ui
@@ -95,7 +95,7 @@ Leave blank to use all objects from the document</string>
        <string>Filter</string>
       </property>
       <property name="toolTip">
-       <string>An optional semicolon (;) separated list of property:value filters. Prepend ! to a property name to invert the effect of the filer (exclude objects that match the filter). Objects whose property contains the value will be matched. Examples of valid filters (everything is case-insensitive): Name:Wall - Will only consider objects with 'wall' in their name (internal name); !Name:Wall - Will only consider objects which DON'T have 'wall' in their name (internal name); Description:Win - Will only consider objects with 'win' in their description; !Label:Win - Will only consider objects which DO NOT have 'win' in their label; IfcType:Wall - Will only consider objects which Ifc Type is 'Wall'; !Tag:Wall - Will only consider objects which tag is NOT 'Wall'. If you leave this field empty, no filtering is applied</string>
+       <string>An optional semicolon (;) separated list of property:value filters. Prepend ! to a property name to invert the effect of the filter (exclude objects that match the filter). Objects whose property contains the value will be matched. Examples of valid filters (everything is case-insensitive): Name:Wall - Will only consider objects with 'wall' in their name (internal name); !Name:Wall - Will only consider objects which DON'T have 'wall' in their name (internal name); Description:Win - Will only consider objects with 'win' in their description; !Label:Win - Will only consider objects which DO NOT have 'win' in their label; IfcType:Wall - Will only consider objects which Ifc Type is 'Wall'; !Tag:Wall - Will only consider objects which tag is NOT 'Wall'. If you leave this field empty, no filtering is applied</string>
       </property>
      </column>
     </widget>