diff --git a/.gitignore b/.gitignore
index 77ebadf..1419501 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@ normalized
 backup_files
 # temp, test, backup, and log files
 lists/*.txt
+hibp_sha1_dir/*.txt
 *.tmp.txt
 test_*
 *.bak
diff --git a/hibp_sha1_dir/README.md b/hibp_sha1_dir/README.md
new file mode 100644
index 0000000..e69de29