Proling or Prolling: How To spell?

The word Proling is misspelled against Prolling, which is present continuous of "Proll"

Prolling has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings pro & ing which should not be misspelled with single 'L'
Wrong Spelling:  pro-l-ing 
Correct Spelling:  pro-ll-ing 
Find more incorrect spellings of Prolling to spell right way.