docs: fix typos in documentation

[viktorking7]

Fixes typos in the IBC v2 documentation.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 58.38%. Comparing base (e24cf03) to head (4d581bb).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8682   +/-   ##
=======================================
  Coverage   58.38%   58.38%           
=======================================
  Files         319      319           
  Lines       18092    18092           
=======================================
  Hits        10563    10563           
  Misses       6922     6922           
  Partials      607      607           

Flag	Coverage Δ
08-wasm	64.81% <ø> (ø)
e2e	0.95% <ø> (ø)
ibc-go	63.83% <ø> (ø)

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