Glitch with an event reference [Risolto]

On the page of outings in Ottawa area there is one:
https://en.numista.com/outings/ottawa-coin-stamp-dealers-association-ottawa-641.html

This link opens fine.

However, two users (myself included) marked ourselves as those who attended the event, so it was added to our profiles. However, the link in our profiles leads to nowhere, because it is different:
https://en.numista.com/echanges/ottawa-coin-stamp-dealers-association-ottawa-641.html

As you can see, one word in the link was (automatically?) replaced.

I reported it to the site's admin by email a week ago, but received no response.
Would it be possible to look into it? I have suspicions that the same error may happen to some other links as well.