diff --git a/snippets/flatten.md b/snippets/flatten.md
index 4542d6b18..f070f2cae 100644
--- a/snippets/flatten.md
+++ b/snippets/flatten.md
@@ -2,7 +2,7 @@
 
 Flattens an array.
 
-Using a new array we concatinate it with the spread input array causing a shallow denesting of any contained arrays
+Use a new array and concatenate it with the spread input array causing a shallow denesting of any contained arrays.
 
 ```js
 const flatten = arr => [ ].concat( ...arr );