Minor fix to UI messages.

io_mesh_ply/__init__.py

@@ -96,7 +96,8 @@ class ExportPLY(bpy.types.Operator, ExportHelper):
             )
     use_normals = BoolProperty(
             name="Normals",
-            description="Export Normals for smooth and hard shaded faces. Hard shaded faces will be exported as individual faces",
+            description="Export Normals for smooth and hard shaded faces " \
+                        "(hard shaded faces will be exported as individual faces)",
             default=True,
             )
     use_uv_coords = BoolProperty(