[m.0] Reword SLD option (#1103) (Closes #1103)

Merging branch 'm.0'  into 'main'.

See merge request !2867

GUI/View/View/SimulationView.cpp

@@ -53,7 +53,8 @@ SimulationView::SimulationView()
     g2->body()->setLayout(l2);
 
     // layer material
-    m_use_avge_material_check = new QCheckBox("Correct scattering-length density for particles");
+    m_use_avge_material_check =
+        new QCheckBox("Use averaged scattering-length density for layers with particles");
     m_use_avge_material_check->setToolTip(
         "If checked, then the scattering-length density (SLD) for each layer or slice is computed\n"
         " by averaging the SLD of the layer material and the SLD of any embedded particle.\n"