Patroling or Patrolling: How To spell?

The word Patroling is misspelled against Patrolling, which is present continuous of "Patrol"

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