Proofread user guide

[GraceWang2322]

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[codecov-commenter]

Codecov Report

Merging #203 (23333aa) into master (abc9532) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##             master     #203   +/-   ##
=========================================
  Coverage     77.39%   77.39%           
  Complexity      809      809           
=========================================
  Files            99       99           
  Lines          2181     2181           
  Branches        310      310           
=========================================
  Hits           1688     1688           
  Misses          382      382           
  Partials        111      111           

Impacted Files	Coverage Δ
...address/logic/commands/ListTransactionCommand.java	60.86% <100.00%> (ø)

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