Whats the difference with Metal Slug 3's???

i havent bee around the neo scene for a while and i see people listing metal slug 3 1st and 2nd version. i just wanted to know whats the diffrence???

I'm not 100% positive on this since my games are all the english versions. But I am pretty sure the only difference is that there is one page in the manual which contained phone numbers and addresses of SNK offices (?) which was changed in the 2nd version to something else.