diff --git a/book/src/language-tour/tuple.md b/book/src/language-tour/tuple.md
index 4369bb17..65990b7e 100644
--- a/book/src/language-tour/tuple.md
+++ b/book/src/language-tour/tuple.md
@@ -1 +1,9 @@
 # Tuple
+
+Tuples are anonymous product types. They are useful for passing combinations of data between functions.
+
+```
+let x = (1, 2)
+let y = (3, 4)
+pairAdder(x, y) -- --> (4, 6)
+```
\ No newline at end of file