fix(gno.land): update nebular text

[leohhhn]

Description

This PR introduces a small fix to the events page requested by marketing.

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
• [x ] 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.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.41%. Comparing base (f14c100) to head (6d8b204).
Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1744   +/-   ##
=======================================
  Coverage   47.41%   47.41%           
=======================================
  Files         384      384           
  Lines       61187    61187           
=======================================
  Hits        29014    29014           
  Misses      29744    29744           
  Partials     2429     2429           

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