wrap gen: fixup comment

Author: alyst

src/wrap_sundials.jl

@@ -160,8 +160,9 @@ function typeify_sundials_pointers(expr::Expr)
             wrap_expr = Expr(:(=),
                 # function declaration with argument types stripped
                 Expr(:call, Symbol(func_name), map(expr -> expr.args[1], drop(expr.args[1].args, 1))...),
-                # function declaration with argument types stripped
+                # low-level function call with Julia types converted to low-level arguments
                 Expr(:call, Symbol(lowlevel_func_name), map(drop(expr.args[1].args, 1)) do expr
+                    # process each argument
                     wrap_arg = true # indicates whether the argument wrapper is required
                     if expr.args[2] == :N_Vector || expr.args[2] == :Clong ||
                         ismatch(r"MemPtr$", string(expr.args[2]))