Apending or Appending: How To spell?
The word Apending is misspelled against Appending, which is present continuous of "Append"
Appending has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings a & ending which should not be misspelled with single 'P'
Wrong Spelling:  a-p-ending  Correct Spelling:  a-pp-ending 
Find more wrongly spelled words of Appending to spell it well.