content: link to and describe the fibonacci sequence
Fixes golang/go#14044
Change-Id: Icc39515fcb8a6c9601b18f1c3a77612e3a8072e0
Reviewed-on: https://go-review.googlesource.com/18780
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Francesc Campoy Flores <campoy@golang.org>
diff --git a/content/moretypes.article b/content/moretypes.article
index 2c4a4dd..8a203aa 100644
--- a/content/moretypes.article
+++ b/content/moretypes.article
@@ -263,7 +263,9 @@
Let's have some fun with functions.
-Implement a `fibonacci` function that returns a function (a closure) that returns successive fibonacci numbers.
+Implement a `fibonacci` function that returns a function (a closure) that
+returns successive [[https://en.wikipedia.org/wiki/Fibonacci_number][fibonacci numbers]]
+(0, 1, 1, 2, 3, 5, ...).
.play moretypes/exercise-fibonacci-closure.go
