diff --git a/README.md b/README.md
index 781da4b..1a7b756 100644
--- a/README.md
+++ b/README.md
@@ -53,4 +53,11 @@ Vue.use(vueSmoothScroll)
   })
 </script>
 </body>
-```
\ No newline at end of file
+```
+### Notice
+SmoothScroll won't work if you set `body` or `html` to `height: 100%`, if you use external css be sure to reset styles
+```css
+body, html {
+  height: auto !important;
+}
+```