Add additional technical terminologies to UG

[jinnhl]

• Added whitespace and integer definition for clarification
• Changed command format to match our current implementation

[codecov-commenter]

Codecov Report

Merging #315 (0a0d8b7) into master (066cd87) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #315   +/-   ##
=========================================
  Coverage     68.86%   68.86%           
  Complexity      713      713           
=========================================
  Files           107      107           
  Lines          2229     2229           
  Branches        266      266           
=========================================
  Hits           1535     1535           
  Misses          606      606           
  Partials         88       88           

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