The word Erata is misspelled against Errata, which is plural of "Erratum"
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Errata has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings e & ata which should not be misspelled with single 'R'
Wrong Spelling:  e-r-ata 
Correct Spelling:  e-rr-ata 
Browse incorrect spellings of Errata to spell it good.