FIX to Improved Compressed Indexes for Full-Text Document Retrieval

Level: Small

In row 6 of Table 1, the space of [7] should be n lg D + o(n lg D) + O(n) instead of n lg D + O(n).

In line 14 of Sec. 4.1, it should say b/ell = k, not b/k = ell.