diff --git a/part2/README.md b/part2/README.md
index e0e1472..6c385e8 100644
--- a/part2/README.md
+++ b/part2/README.md
@@ -18,5 +18,6 @@ elm-live Main.elm --open --pushstate --output=elm.js
 
 ## References
 
+* [**let-expressions**](http://elm-lang.org/docs/syntax#let-expressions)
 * [record syntax](http://elm-lang.org/docs/syntax#records) (e.g. `{ foo = 1, bar = 2 }`)
 * [`List.map` documentation](http://package.elm-lang.org/packages/elm-lang/core/3.0.0/List#map)
diff --git a/part3/README.md b/part3/README.md
index d72ea45..24e72d6 100644
--- a/part3/README.md
+++ b/part3/README.md
@@ -18,7 +18,6 @@ elm-live Main.elm --open --pushstate --output=elm.js
 
 ## References
 
-* [**let-expressions**](http://elm-lang.org/docs/syntax#let-expressions)
 * [The Elm Architecture](http://guide.elm-lang.org/architecture/)
 * [`onClick` documentation](http://package.elm-lang.org/packages/evancz/elm-html/4.0.2/Html-Events#onClick)
 * [record update syntax reference](http://elm-lang.org/docs/syntax#records) (e.g. `{ model | query = "foo" }`)