diff --git a/www/htdocs/index.html b/www/htdocs/index.html
index 02342267..c6b4589d 100644
--- a/www/htdocs/index.html
+++ b/www/htdocs/index.html
@@ -1587,7 +1587,7 @@ Shortcut: `docker-compose.yml-ambassador`
 
 .exercise[
 
-- Just tell Compose to to its thing:
+- Just tell Compose to do its thing:
 
   ```
   docker-compose up -d