The word Aded is misspelled against Added, which is past tense of "Add"
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Added has double "dd" is mispronounced as "d"
Remember double 'DD' in between the strings A & ed which should not be misspelled with single 'D'
Wrong Spelling:  A-d-ed 
Correct Spelling:  A-dd-ed 
Explore spell check of Added to spell without errors.