fix slight typo

Author: computamike

DOCUMENTATION/content/documentation/index.md

@@ -650,7 +650,7 @@ docker-compose up -d metabase
 
 1) Boot the container `docker-compose up -d jenkins`. To enter the container type `docker-compose exec jenkins bash`.
 
-2) Go to `http://localhost:8090/` (if you didn't chanhed your default port mapping)
+2) Go to `http://localhost:8090/` (if you didn't change your default port mapping)
 
 3) Authenticate from the web app.