diff --git a/Polyhedron/demo/Polyhedron/Plugins/PMP/RemoveNeedlesDialog.ui b/Polyhedron/demo/Polyhedron/Plugins/PMP/RemoveNeedlesDialog.ui
index 80a4e76661c..8c786af2899 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/PMP/RemoveNeedlesDialog.ui
+++ b/Polyhedron/demo/Polyhedron/Plugins/PMP/RemoveNeedlesDialog.ui
@@ -22,7 +22,7 @@
         <string>Threshold in degrees</string>
        </property>
        <property name="title">
-        <string>Cap Threshold: Max. Angle Allowed in a Triangle</string>
+        <string>Cap threshold (max. angle allowed within a triangle): </string>
        </property>
        <layout class="QHBoxLayout" name="horizontalLayout">
         <item>
@@ -57,7 +57,7 @@
         <string>(size+big edge )/(size+small edge)</string>
        </property>
        <property name="title">
-        <string>Needle Threshold:  Max. Edge Length Ratio Allowed in a Triangle (Longest/Shortest)</string>
+        <string>Needle threshold (max. edge length ratio (longest/shortest) allowed within a triangle):</string>
        </property>
        <layout class="QHBoxLayout" name="horizontalLayout_2">
         <item>
@@ -89,7 +89,7 @@
         <string>Do not collapse edges begger than this threshold.</string>
        </property>
        <property name="title">
-        <string>Needle Threshold: Maximum Length of Collapsable Edges (0 means Infinity)</string>
+        <string>Do not collapse needles (according to the criterion above) whose shortest edge has a length greater than:</string>
        </property>
        <layout class="QHBoxLayout" name="horizontalLayout_3">
         <item>