diff --git a/stages/2/src/ElmHub.elm b/stages/2/src/ElmHub.elm
index f3866cb..6f85ceb 100644
--- a/stages/2/src/ElmHub.elm
+++ b/stages/2/src/ElmHub.elm
@@ -36,6 +36,10 @@ type alias ResultId =
   Int
 
 
+
+{- See https://developer.github.com/v3/search/#example -}
+
+
 initialModel : Model
 initialModel =
   { query = "tutorial"
diff --git a/stages/3/src/ElmHub.elm b/stages/3/src/ElmHub.elm
index 4efc7ac..effe200 100644
--- a/stages/3/src/ElmHub.elm
+++ b/stages/3/src/ElmHub.elm
@@ -43,6 +43,10 @@ type alias ResultId =
   Int
 
 
+
+{- See https://developer.github.com/v3/search/#example -}
+
+
 initialModel : Model
 initialModel =
   { query = "tutorial"
diff --git a/stages/4/src/ElmHub.elm b/stages/4/src/ElmHub.elm
index ff7decd..411934b 100644
--- a/stages/4/src/ElmHub.elm
+++ b/stages/4/src/ElmHub.elm
@@ -57,6 +57,7 @@ searchResultDecoder : Decoder SearchResult
 searchResultDecoder =
   Json.Decode.object3
     SearchResult
+    -- See https://developer.github.com/v3/search/#example
     ("TODO what field goes here?" := Json.Decode.int)
     ("TODO what field goes here?" := Json.Decode.string)
     ("TODO what field goes here?" := Json.Decode.int)