Graveled or Gravelled: How To spell?

The word Graveled is misspelled against Gravelled, which is past tense of "Gravel"

Gravelled has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings grave & ed which should not be misspelled with single 'L'
Wrong Spelling:  grave-l-ed 
Correct Spelling:  grave-ll-ed 
Explore spell check of Gravelled to spell without errors.