Regionify copyright statement
diff --git a/src/ProtocolBuffers.Test/DescriptorsTest.cs b/src/ProtocolBuffers.Test/DescriptorsTest.cs
index 30758c0..c5223f9 100644
--- a/src/ProtocolBuffers.Test/DescriptorsTest.cs
+++ b/src/ProtocolBuffers.Test/DescriptorsTest.cs
@@ -1,3 +1,4 @@
+#region Copyright notice and license
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
 // http://github.com/jskeet/dotnet-protobufs/
@@ -29,6 +30,8 @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#endregion
+
 using System.Text;
 using Google.ProtocolBuffers.Descriptors;
 using Google.ProtocolBuffers.TestProtos;