diff --git a/oauth2.go b/oauth2.go
index 90a2c3d..09f6a49 100644
--- a/oauth2.go
+++ b/oauth2.go
@@ -393,7 +393,7 @@
 	}
 }
 
-// ReuseTokenSource returns a TokenSource that acts in the same manner as the
+// ReuseTokenSourceWithExpiry returns a TokenSource that acts in the same manner as the
 // TokenSource returned by ReuseTokenSource, except the expiry buffer is
 // configurable. The expiration time of a token is calculated as
 // t.Expiry.Add(-earlyExpiry).