Update usage on homepage

templates/index.tera

@@ -20,7 +20,7 @@
 				and running
 				<pre>cargo install --path .</pre>
 				Then, you can create snippets by running something like
-				<pre>echo 'Hello world' | bngl new --name "First snippet"</pre>
+				<pre>echo 'Hello world' | bngl new "First snippet"</pre>
 			</p>
     </div>
   </body>