diff --git a/source/_docs/z-wave/controllers.markdown b/source/_docs/z-wave/controllers.markdown
index 26fffe79dfa..941f8d1eea5 100644
--- a/source/_docs/z-wave/controllers.markdown
+++ b/source/_docs/z-wave/controllers.markdown
@@ -26,7 +26,7 @@ You need to have a [supported Z-Wave USB stick or module](https://github.com/Ope
 | Vision USB Stick        |                |                  |              |
 | ZWave.me UZB1           |   ✓     |                  |              |
 
-<p class='note'
+<p class='note'>
   If you're using Hass.io, it's recommended to use a USB stick, not a module. Passing a module through Docker is more complicated than passing a USB stick through.
 </p>