fixed example

Reed Es · Reed Es · commit 1a101f147918 · 2021-11-18T11:05:04.000-07:00
diff --git a/README.md b/README.md
@@ -21,7 +21,7 @@ print(baz.getParentValues())
 
 => ["bar", "foo"]
 
-print(foo.getAllChildValues())
+print(foo.getChildValues())
 
 => ["bar", "baz"]
 ```
