README.md in ncbi-blast-dbs-0.0.6 vs README.md in ncbi-blast-dbs-0.0.7

@@ -6,11 +6,11 @@
 order. The volumes are updated if a newer version is available on the server,
 or re-downloaded if corrupt. Aborted downloads are safely resumed.
 
 `ncbi-blast-dbs` is faster than NCBI's `update_blastdb.pl`. But unlike
 `update_blastdb.pl`, which is a pure Perl script, `ncbi-blast-dbs` delegates
-download and checksum verification to `wget` and `md5sum` and is thus not as
-universal.
+download and checksum verification to `wget` and `md5sum` / `md5` and is thus
+not as universal.
 
 ### Installation
 
     gem install ncbi-blast-dbs