Clarify newtype

1 files changed, 1 insertions, 1 deletions

diff --git a/doc/tutorial.md b/doc/tutorial.md
index f10275cc351..5bd0d35895e 100644
--- a/doc/tutorial.md
+++ b/doc/tutorial.md
@@ -803,7 +803,7 @@ let id_int: int = *my_gizmo_id;
 ~~~~
 
 Types like this can be useful to differentiate between data that have
-the same type but must be used in different ways.
+the same underlying type but must be used in different ways.
 
 ~~~~
 struct Inches(int);