The word Ilustrated is misspelled against Illustrated, which is past tense of "Illustrate"
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Illustrated has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings i & ustrated which should not be misspelled with single 'L'
Wrong Spelling:  i-l-ustrated 
Correct Spelling:  i-ll-ustrated 
Check more misspelled words of Illustrated to spell it correct.