THRIFT-3460 Improve provided Debian packaging solution

Patch: Filip Chabik & Roger Meier

This closes #721
diff --git a/debian/copyright b/debian/copyright
index 25546b4..850643c 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -4,7 +4,7 @@
 This package and the Debian packaging is licensed under the Apache License,
 see `/usr/share/common-licenses/Apache-2.0'.
 
-The following informations was copied from Apache Thrift LICENSE file.
+The following information was copied from Apache Thrift LICENSE file.
 
 --------------------------------------------------
 SOFTWARE DISTRIBUTED WITH THRIFT: