fix: wrong url syntax

[DIGIX666]

Contributors' checklist...

• Added new tests, or not needed, or not feasible
• Provided an example (e.g. screenshot) to aid review or the PR is self-explanatory
• Updated the official documentation or not needed
• No breaking changes were made, or a BREAKING CHANGE: xxx message was included in the description
• Added references to related issues and PRs
• Provided any useful hints for running manual tests
• Added new benchmarks to generated graphs, if any. More info here.

During a Office hour call in Discord, we have see a error for r/demo/art/millipede
cc @leohhhn

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.18%. Comparing base (bd99fbe) to head (5a3bd56).
Report is 19 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2724      +/-   ##
==========================================
+ Coverage   60.16%   60.18%   +0.02%     
==========================================
  Files         561      562       +1     
  Lines       74999    75508     +509     
==========================================
+ Hits        45120    45442     +322     
- Misses      26500    26665     +165     
- Partials     3379     3401      +22     

Flag	Coverage Δ
contribs/gnodev	61.40% <ø> (ø)
contribs/gnofaucet	14.46% <ø> (ø)
gno.land	64.76% <ø> (+0.01%)	⬆️
gnovm	64.33% <ø> (+0.19%)	⬆️
misc/genstd	80.54% <ø> (ø)
misc/logos	19.88% <ø> (ø)
tm2	62.05% <ø> (+0.07%)	⬆️

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