Update a URL

[skip ci]

diff --git a/CONTRIBUTING b/CONTRIBUTING
index 4e94d645ee5cea356be6769b631f416d642b6bd5..08d417c7095127cf27e411a6a15d94f01931a0f1 100644 (file)
--- a/CONTRIBUTING
+++ b/CONTRIBUTING
@@ -49,7 +49,7 @@ How to add new code and to update existing code
    You can setup Travis CI and AppVeyor builds for your fork, so you can
    test your changes on Linux, macOS, and Windows before sending pull
    requests.
-   (See http://docs.travis-ci.com/user/getting-started/ for information
+   (See https://docs.travis-ci.com/user/tutorial/ for information
    on setting up Travis CI; go to https://ci.appveyor.com/login and log
    in with your GitHub account and select "NEW PROJECT" to set up an
    AppVeyor build.)