Controling or Controlling: How To spell?
The word Controling is misspelled against Controlling, which is present continuous of "Control"
Controlling has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings contro & ing which should not be misspelled with single 'L'
Wrong Spelling:  contro-l-ing  Correct Spelling:  contro-ll-ing 
Find more incorrect spellings of Controlling to spell right way.