Tunneling or Tunnelling: How To spell?

The word Tunneling is misspelled against Tunnelling, which is present continuous of "Tunnel"

Tunnelling has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings tunne & ing which should not be misspelled with single 'L'
Wrong Spelling:  tunne-l-ing 
Correct Spelling:  tunne-ll-ing 
Check more misspelled words of Tunnelling to spell it correct.