Fix typo in instance usage example

Morriar · Morriar · commit f26a001caec6 · 2024-12-11T09:21:06.000-05:00
Signed-off-by: Alexandre Terrasa &lt;alexandre.terrasa@shopify.com&gt;
diff --git a/docs/syntax.md b/docs/syntax.md
@@ -291,7 +291,7 @@ class Foo
 
   def foo: () -> instance
 
-  @@foos: Array[instances]
+  @@foos: Array[instance]
 
   include Enumerable[class]
 end
