diff --git a/exercises/concept/boutique-inventory/.docs/introduction.md b/exercises/concept/boutique-inventory/.docs/introduction.md
index e6f80ea8a8..8aeb8ae874 100644
--- a/exercises/concept/boutique-inventory/.docs/introduction.md
+++ b/exercises/concept/boutique-inventory/.docs/introduction.md
@@ -2,7 +2,7 @@
 
 ## More enumeration methods
 
-In Bird Count, you were introduced to the `count`, `any?`, `select`, `all` and `map` enumeration methods.
+In Bird Count, you were introduced to the `count`, `any?`, `select`, `all?` and `map` enumeration methods.
 Here's a recap of those, with a few extras added:
 
 ```ruby