diff --git a/docs/annotating_code/type_syntax/array_types.md b/docs/annotating_code/type_syntax/array_types.md
index 6793a70eb..83f30a75a 100644
--- a/docs/annotating_code/type_syntax/array_types.md
+++ b/docs/annotating_code/type_syntax/array_types.md
@@ -92,7 +92,7 @@ takesList([1 => "hello"]); // triggers warning in Psalm
 
 ## Object-like arrays
 
-Psalm supports a special format for arrays where the key offsets are known: object-like arrays.
+Psalm supports a special format for arrays where the key offsets are known: object-like arrays, also known as **array shapes**.
 
 Given an array