Update manage-disk-space.md

Author: hguthrie

src/cloud/project/manage-disk-space.md

@@ -40,7 +40,7 @@ magento-cloud mount:size
 Sample response:
 
 ```terminal
-Checking disk usage for all mounts on <project>-<branch>-mymagento@ssh.us.magento.cloud...
+Checking disk usage for all mounts on <project>-<environment>-mymagento@ssh.us.magento.cloud...
 
 +------------+-----------+---------+-----------+-----------+--------+
 | Mount(s)   | Size(s)   | Disk    | Used      | Available | % Used |
@@ -170,4 +170,4 @@ magento-cloud project:clear-build-cache
 
 <!-- link definitions -->
 
-[disk-key]: {{ site.baseurl }}/cloud/project/magento-app-properties.html#disk
+[disk-key]: {{ site.baseurl }}/cloud/project/magento-app-properties.html#disk