diff --git a/build_preview.js b/build_preview.js
index faaa9a5..41787dc 100644
--- a/build_preview.js
+++ b/build_preview.js
@@ -1,5 +1,5 @@
const fs = require('fs');
-const YAML = require('yaml');
+const yaml = require('js-yaml');
const rendering = require('./src/rendering')({
'scale': 0.05,
@@ -64,6 +64,6 @@ const data = {
]
};
-fs.writeFileSync('docs/sample.yml', YAML.stringify(data, null, 4), {encoding: 'utf-8'});
+fs.writeFileSync('docs/sample.yml', yaml.safeDump(data), {encoding: 'utf-8'});
fs.writeFileSync('preview/sample.svg', faDiagrams.compute(data), {encoding: 'utf-8'});
\ No newline at end of file
diff --git a/docs/index.html b/docs/index.html
index 13c32b5..cd2aa1c 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -3,8 +3,8 @@
fa-diagrams example
-
-
+
+