diff --git a/test/ThriftTest.thrift b/test/ThriftTest.thrift
index f16c02e..d25183b 100644
--- a/test/ThriftTest.thrift
+++ b/test/ThriftTest.thrift
@@ -15,6 +15,10 @@
  * KIND, either express or implied. See the License for the
  * specific language governing permissions and limitations
  * under the License.
+ *
+ * Contains some contributions under the Thrift Software License.
+ * Please see doc/old-thrift-license.txt in the Thrift distribution for
+ * details.
  */
 
 namespace java thrift.test