Update description comment

Author: akroviakov

mlir/lib/Dialect/Vector/Transforms/VectorDistribute.cpp

@@ -928,7 +928,8 @@ struct WarpOpDeadResult : public WarpDistributionPattern {
  // Some values may be yielded multiple times and correspond to multiple
  // results. Deduplicating occurs by taking each result with its matching
  // yielded value, and:
- // 1. recording the unique first position at which the value is yielded.
+ // 1. recording the unique first position at which the value with uses is
+ // yielded.
  // 2. recording for the result, the first position at which the dedup'ed
  // value is yielded.
  // 3. skipping from the new result types / new yielded values any result