some comments

interpreter/desc_base.h

@@ -12,8 +12,8 @@
 
 struct Desc {
     unsigned int type : 3;
-    unsigned int arity : 8; // LIMITATION: maximum 32 arguments
-    unsigned int thunk_size : 10;
+    unsigned int arity : 8;         // LIMITATION: maximum 32 arguments
+    unsigned int thunk_size : 10;   // It gives false result for strings and arrays
 };
 
 #endif // __DESC_H
\ No newline at end of file