[ASM] -  content type : x-www-form-urlencoded ?

Hello Experts , 

what does content type : x-www-form-urlencoded  means and also what is Parameter name sys06 ?

Attack Signature    ID 200002145

Name  : SQL-INJ expressions like "having 1=1" (Parameter)

Context    Parameter (detected in Form Data)
Parameter Level     : Global
Actual Parameter : Name    : sys06