[From string (line 18) ]                    
                                            
@startuml                                   
<STYLE>                                     
note {                                      
backgroundcolor yellow                      
}                                           
</STYLE>                                    
                                            
note bottom of MyClass                      
{{                                          
salt                                        
{+                                          
  Login    | "MyName   "                    
  Password | "****     "                    
  [Cancel] | [  OK   ]                      
}                                           
}}                                          
end note                                    
class MyClass {                             
^^^^^                                       
 Syntax Error? (Assumed diagram type: state)