diff --git a/README.md b/README.md
index f310998..c6ef135 100644
--- a/README.md
+++ b/README.md
@@ -261,7 +261,7 @@ over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown
 dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The
 quick brown fox jumps over the lazy dog.`
 
-notation.Println(s)
+notation.Printlnw(s)
 ```
 
 Output:
diff --git a/go.mod b/go.mod
index 79d7ec8..2679010 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/aryszka/notation
 
-go 1.14
+go 1.15