diff --git a/tarsum/tarsum_spec.md b/tarsum/tarsum_spec.md
index 7a6f8ed..51e9537 100644
--- a/tarsum/tarsum_spec.md
+++ b/tarsum/tarsum_spec.md
@@ -167,7 +167,7 @@ order ( and the corresponding representation of its value):
 * 'devmajor' - string of the integer
 * 'devminor' - string of the integer
 
-For >= Version1, the extented attribute headers ("SCHILY.xattr." prefixed pax
+For >= Version1, the extended attribute headers ("SCHILY.xattr." prefixed pax
 headers) included after the above list. These xattrs key/values are first
 sorted by the keys.