Comprehension of Code A code review typically is the first opportunity for someone other than the author to inspect a change.
I don't think the importance of comprehension is sold well enough (or early enough). Code _will_ need to be modified at some point. The first, essential step in modifying code is understanding it. Code that's hard to understand is not just harder to modify, it's more dangerous (did the modifier understand everything the code does so the modifier can avoid unintentional changes in behavior?
So, that's why it's valuable for code review to ensure comprehensibility.
