diff --git a/guides/Getting-Started.md b/guides/Getting-Started.md
index f7e0b0f0..28b671f5 100644
--- a/guides/Getting-Started.md
+++ b/guides/Getting-Started.md
@@ -202,9 +202,11 @@ module Test.Main where
 
 import Prelude
 
+import Effect (Effect)
 import Euler (answer)
 import Test.Assert (assert)
 
+main :: Effect Unit
 main = do
   assert (answer == 233168)
 ```