Fix readme

1 files changed, 6 insertions, 6 deletions

diff --git a/README.md b/README.md
index ff14ab3..c789e09 100644
--- a/README.md
+++ b/README.md
@@ -3,19 +3,19 @@ Bam Query Index (qidx)
 
 > Warning: this is a work in progress
 
-`qidx` is tool for indexing BAM alignments by query name. While the
-samtools have the ability to sort data by query name (also called
-the read name), there htslib does not provide built-in utilities
+`qidx` is tool for indexing BAM alignments by query name. While
+`samtools` have the ability to sort data by query name (also called
+the read name), htslib does not provide built-in utilities
 to retrieve alignments by query name. This can be advantageous
 for examining multi-mapped alignments.
 
-While a utility [bri](https://github.com/jts/bri) predated `qidx`
-providing the same utilities, it reads all alignments into memory
+A utility [bri](https://github.com/jts/bri) predated `qidx` and also
+indexes BAM files by query name. Yet, it reads all alignments into memory
 which is impractical for most human genome data.
 
 Notes:
 
-- `qidx` creates a disk-backed using a sparse memory-mapped file. The underlying
+- `qidx` creates a disk-backed hashset using a sparse memory-mapped file. The underlying
 operating system must support `mmap` and file holes
 - `qidx` doesn't currently support compression. it is currently recommended to
 use block-level compression (such as `zfs` `zstd` compression)