diff --git a/registry.go b/registry.go
index 1ede31eb..1da1d533 100644
--- a/registry.go
+++ b/registry.go
@@ -35,7 +35,7 @@ type Namespace interface {
 	// reference.
 	Repository(ctx context.Context, name reference.Named) (Repository, error)
 
-	// Repositories fills 'repos' with a lexigraphically sorted catalog of repositories
+	// Repositories fills 'repos' with a lexicographically sorted catalog of repositories
 	// up to the size of 'repos' and returns the value 'n' for the number of entries
 	// which were filled.  'last' contains an offset in the catalog, and 'err' will be
 	// set to io.EOF if there are no more entries to obtain.