diff --git a/doc/tutorial.md b/doc/tutorial.md
index 902a79029725e..1ac33fe658588 100644
--- a/doc/tutorial.md
+++ b/doc/tutorial.md
@@ -495,7 +495,10 @@ omitted.
 
 A powerful application of pattern matching is *destructuring*:
 matching in order to bind names to the contents of data
-types. Assuming that `(float, float)` is a tuple of two floats:
+types.
+
+> ***Note:*** The following code makes use of tuples (`(float, float)`) which
+> are explained later. For now you can think of tuples as a list of items.
 
 ~~~~
 fn angle(vector: (float, float)) -> float {