diff --git a/source/_docs/z-wave/installation.markdown b/source/_docs/z-wave/installation.markdown
index 90ae61b3b13..90e1bc7ede6 100644
--- a/source/_docs/z-wave/installation.markdown
+++ b/source/_docs/z-wave/installation.markdown
@@ -48,7 +48,7 @@ debug:
   type: boolean
   default: false
 autoheal:
-  description: Allows enabling auto Z-Wave heal at midnight. Warning, this is in efficient and [should not be used](https://github.com/home-assistant/architecture/issues/81#issuecomment-478444085).
+  description: Allows enabling auto Z-Wave heal at midnight. Warning, this is inefficient and [should not be used](https://github.com/home-assistant/architecture/issues/81#issuecomment-478444085).
   required: false
   type: boolean
   default: false