Adjust "Show Backface" tool tip to be more accurate

Reviewed By: fclem

Differential Revision: https://developer.blender.org/D13849

source/blender/makesrna/intern/rna_material.c

@@ -791,8 +791,8 @@ void RNA_def_material(BlenderRNA *brna)
   RNA_def_property_boolean_negative_sdna(prop, NULL, "blend_flag", MA_BL_HIDE_BACKFACE);
   RNA_def_property_ui_text(prop,
                            "Show Backface",
-                           "Limit transparency to a single layer "
-                           "(avoids transparency sorting problems)");
+                           "Render multiple transparent layers "
+                           "(may introduce transparency sorting problems)");
   RNA_def_property_update(prop, 0, "rna_Material_draw_update");
 
   prop = RNA_def_property(srna, "use_backface_culling", PROP_BOOLEAN, PROP_NONE);