Fix unclear comments in translator

core/translate/expr.rs

@@ -2159,7 +2159,7 @@ pub fn translate_expr(
             // this value into the proper order.
             let index = program.parameters.push(name);
             if let Some(ref mut indicies) = &mut program.param_positions {
-                // index of the parameter in the inserted values + index of the parameter relative
+                // (value_index, parameter_index)
                 indicies.push((program.current_col_idx.unwrap_or(index.get()), index));
             }
             program.emit_insn(Insn::Variable {

core/translate/insert.rs

@@ -648,6 +648,7 @@ fn populate_column_registers(
     // if there are any parameter positions, we sort them by the value_index position
     // to ensure we are binding the parameters to the proper index later on
     if let Some(ref mut params) = program.param_positions.as_mut() {
+        // sort the tuples by the value_index position, leaving the param_index in right order.
         params.sort_by_key(|(val_pos, _)| *val_pos);
         let remap = params
             .iter()