diff --git a/README.md b/README.md
index ff0ea67..49ac6b5 100644
--- a/README.md
+++ b/README.md
@@ -8,5 +8,5 @@ InputStream wordsFile = ...;
 Words wordsSet = HashSetWords.open(wordsFile);
 Dictionary dictionary = new Dictionary(words);
 
-dictionary.findWords("hlleoowrld");
+Set<String> searchResult = dictionary.findWords("hlleoowrld");
 ```
\ No newline at end of file