Merge pull request #1355 from o1-labs/dw/additional-comments-on-combi…

…ne-table-develop

Additional comment on the table_id_combiner [develop]

kimchi/src/verifier.rs

@@ -1038,6 +1038,9 @@ where
             let joint_combiner = oracles
                 .joint_combiner
                 .expect("joint_combiner should be present if lookups are used");
+            // The table ID is added as the last column of the vector.
+            // Therefore, the exponent for the combiner for the table ID is the
+            // width of the concatenated table, i.e. max_joint_size.
             let table_id_combiner = joint_combiner
                 .1
                 .pow([u64::from(li.lookup_info.max_joint_size)]);