Fix link to download page in README

README.md

@@ -36,7 +36,7 @@ scalable Web architecture: queue servers, caches,
 stateful Web applications.
 
 To download and install Tarantool as a binary package for your OS, please visit
-http://tarantool.org/download.
+https://tarantool.org/download.
 
 To build Tarantool from source, see detailed instructions in the Tarantool
 documentation at https://tarantool.org/doc/dev_guide/building_from_source.html.