diff --git a/revid/revid.go b/revid/revid.go
index 48b4228d..29514fa6 100644
--- a/revid/revid.go
+++ b/revid/revid.go
@@ -8,7 +8,7 @@ DESCRIPTION
 AUTHORS
   Saxon A. Nelson-Milton <saxon@ausocean.org>
   Alan Noble <alan@ausocean.org>
-	Dan Kortschak <dan@ausocean.org>
+  Dan Kortschak <dan@ausocean.org>
 
 LICENSE
   revid is Copyright (C) 2017-2018 the Australian Ocean Lab (AusOcean)