diff --git a/vendor/google.golang.org/grpc/backoff.go b/vendor/google.golang.org/grpc/backoff.go
index fa31565..97c6e25 100644
--- a/vendor/google.golang.org/grpc/backoff.go
+++ b/vendor/google.golang.org/grpc/backoff.go
@@ -17,7 +17,7 @@
  */
 
 // See internal/backoff package for the backoff implementation. This file is
-// kept for the exported types and API backward compatility.
+// kept for the exported types and API backward compatibility.
 
 package grpc