docs: fix typos

[nnsW3]

Hello,
I fixed several typos found in your documentation.
Hope it helps.
Best regards, Elias.

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (1264f82) 48.90% compared to head (eac124a) 48.90%.

Files	Patch %	Lines
bridge-history-api/crossmsg/batch_info_fetcher.go	0.00%	2 Missing ⚠️
common/cmd/cmd_app.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1025   +/-   ##
========================================
  Coverage    48.90%   48.90%           
========================================
  Files          158      158           
  Lines        12710    12710           
========================================
  Hits          6216     6216           
  Misses        6064     6064           
  Partials       430      430           

Flag	Coverage Δ
bridge-history-api	11.11% <0.00%> (ø)
common	55.05% <0.00%> (ø)
coordinator	18.91% <ø> (ø)
database	42.85% <ø> (ø)
rollup	66.00% <ø> (ø)

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[georgehao]

@nnsW3 pls fix the conflict

[nnsW3]

solved it