hooks/airbrake: fix docs
diff --git a/hooks/airbrake/airbrake.go b/hooks/airbrake/airbrake.go
index 1dff9b2..f24f00d 100644
--- a/hooks/airbrake/airbrake.go
+++ b/hooks/airbrake/airbrake.go
@@ -11,8 +11,8 @@
// * airbrake.ApiKey
// * airbrake.Environment (only sends exceptions when set to "production")
//
-// Before using this hook, to send exceptions. Entries that trigger an Error,
-// Fatal or Panic should now include an "Error" field to send to Airbrake.
+// Before using this hook, to send an error. Entries that trigger an Error,
+// Fatal or Panic should now include an "error" field to send to Airbrake.
type AirbrakeHook struct{}
func (hook *AirbrakeHook) Fire(entry *logrus.Entry) error {
