diff --git a/.travis.yml b/.travis.yml
index ac2860dc1..2b5e09477 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,6 +21,7 @@ install:
  - go get github.com/golang/lint/golint
  - go get github.com/fzipp/gocyclo
 
+# Generate a self-signed X.509 certificate for TLS.
 before_script:
  - openssl req -x509 -newkey rsa:4096 -keyout server.key -out server.crt -days 365 -nodes -subj /CN=localhost
 
@@ -35,4 +36,3 @@ notifications:
         on_success: change  # always|never|change
         on_failure: always
         on_start: never
-