diff --git a/src/Mod/TechDraw/Gui/TaskProjGroup.ui b/src/Mod/TechDraw/Gui/TaskProjGroup.ui
index ef8201cebc..62973a9e24 100644
--- a/src/Mod/TechDraw/Gui/TaskProjGroup.ui
+++ b/src/Mod/TechDraw/Gui/TaskProjGroup.ui
@@ -688,7 +688,7 @@ using the given X/Y Spacing</string>
         </size>
        </property>
        <property name="toolTip">
-        <string>Horizontal space between center of projections</string>
+        <string>Horizontal space between border of projections</string>
        </property>
        <property name="keyboardTracking">
         <bool>false</bool>
@@ -754,7 +754,7 @@ using the given X/Y Spacing</string>
         </size>
        </property>
        <property name="toolTip">
-        <string>Vertical space between center of projections</string>
+        <string>Vertical space between border of projections</string>
        </property>
        <property name="keyboardTracking">
         <bool>false</bool>