A Facsimile Document in 1337

We were on an archeological dig when we found a document from the early 3,635th century. We have reproduced it in its original form here. If you can't read it, THAT'S TOO BAD!!!

\/\/3 |-|@\/3 (0|\/| @ 10|\|9 \/\/@Y @|\||) |-|@\/3 |)3(1|)3|) 2 $3++13 |)0\/\/|\| 1|\| +|-|1$ $¶0+. 1+ 100|<$ $@£3 3|\|0|_|9|-|. OMIGOSH! THAT ALIEN IS SO [bleep]ing scary that I [bleep]-ing forgot to [bleep]ing write in [bleep]ing leet! [bleep]

Guess it wasn't "Safe enough".