fix(gnoweb): fix broken link (#2926)

<!-- please provide a detailed description of the changes made in this
pull request. -->

## Description

Fixes a broken link. Closes: #2925 

<details><summary>Contributors' checklist...</summary>

- [x] Added new tests, or not needed, or not feasible
- [x] Provided an example (e.g. screenshot) to aid review or the PR is
self-explanatory
- [x] Updated the official documentation or not needed
- [x] No breaking changes were made, or a `BREAKING CHANGE: xxx` message
was included in the description
- [x] Added references to related issues and PRs
- [x] Provided any useful hints for running manual tests
- [x] Added new benchmarks to [generated
graphs](https://gnoland.github.io/benchmarks), if any. More info
[here](https://github.com/gnolang/gno/blob/master/.benchmarks/README.md).
</details>

gno.land/pkg/gnoweb/views/realm_help.html

@@ -17,7 +17,7 @@
         <br />
         These are the realm's exposed functions ("public smart contracts").<br />
         <br />
-        My address: <input id="my_address" placeholder="ADDRESS" width="40" /> (see <a href="https://docs.gno.land/gno-tooling/cli/gno-tooling-gnokey/#list-all-known-keys" target="_blank">`gnokey list`</a>)<br />
+        My address: <input id="my_address" placeholder="ADDRESS" width="40" /> (see <a href="https://docs.gno.land/gno-tooling/cli/gnokey/working-with-key-pairs#listing-available-keys" target="_blank">`gnokey list`</a>)<br />
         <br />
         <br />
         {{ template "func_specs" . }}