Broken link on endpoint error page

[CharliePatterson]

The page that provides details of the broken endpoint error (see, e.g. Southwark's LBO page) has a broken link.

This line and link:

If your data URL has changed you can resubmit your data URL.

• In the section of the URL that specifies the org ID, the : is being transformed to %3A -- e.g. local-authority:SWK is being transformed to local-authority%3ASWK
• In the section of the URL that specifies the dataset, the - is being transformed to %20 -- e.g. Listed-building-outline is being transformed to Listed%20building%20outline