fix typo

.drone.yml

@@ -14,7 +14,7 @@ steps:
   commands:
   #- pandoc --standalone --output=index.html --metadata title="SMT Readme" -t html5 README.md
   # From https://gitlab.com/vimalkvn/pandoc-mvp-css
-  - pandoc -s README.md --toc --toc-depth=2 -c www/mvp.css --template template.html -o ./www/index.html -metadata title="SMT Readme"
+  - pandoc -s README.md --toc --toc-depth=2 -c www/mvp.css --template template.html -o ./www/index.html --metadata title="SMT Readme"
   - cp ./www/index.html /shared/index.html
 
 - name: build