diff --git a/.travis.yml b/.travis.yml
index 0d0cde8..5fcc0bf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,7 +23,7 @@ install: true
 
 script:
   - go vet -x ./...
-  - golint ./...
+  - golint -set_exit_status ./...
   - go build .
   - go test -v ./...
   - ./git-validation -run DCO,short-subject,dangling-whitespace -v
diff --git a/rules/danglingwhitespace/rule.go b/rules/danglingwhitespace/rule.go
index 122c746..14ad034 100644
--- a/rules/danglingwhitespace/rule.go
+++ b/rules/danglingwhitespace/rule.go
@@ -19,6 +19,7 @@ func init() {
 	validate.RegisterRule(DanglingWhitespace)
 }
 
+// ValidateDanglingWhitespace runs Git's check to look for whitespace errors.
 func ValidateDanglingWhitespace(c git.CommitEntry) (vr validate.Result) {
 	vr.CommitEntry = c
 	vr.Msg = "commit does not have any whitespace errors"