[doc] Fix indents of the pprof page

[t-kikuc]

What this PR does / why we need it:

• Fix indents of the procedures

  • especially, 2. Get the Cpi Profile was merged with the previous line.

  

• Add one 'a'

Which issue(s) this PR fixes: no

Does this PR introduce a user-facing change?: no

• How are users affected by this change:
• Is this breaking change:
• How to migrate (if breaking change):

[khanhtc1202]

some tabs mixes with spaces @t-kikuc

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (f688a36) 31.04% compared to head (9080d67) 31.04%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4776   +/-   ##
=======================================
  Coverage   31.04%   31.04%           
=======================================
  Files         225      225           
  Lines       26353    26353           
=======================================
  Hits         8182     8182           
  Misses      17518    17518           
  Partials      653      653           

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[t-kikuc]

some tabs mixes with spaces @t-kikuc

Thanks, I fixed it

[ffjlabo]

@t-kikuc Is this still miexd?

[t-kikuc]

Sorry, I fixed. (by removing the last line)

Besides, I fixed the doc of v0.46.x too.

[khanhtc1202]

@ffjlabo Please