clarify comment about permission changes in reproducible tarballs

Author: lexming

easybuild/tools/filetools.py

@@ -2802,7 +2802,7 @@ def reproducible_filter(tarinfo):
         # reset file permissions by applying go+u,go-w
         user_mode = tarinfo.mode & stat.S_IRWXU
         group_mode = (user_mode >> 3) & ~stat.S_IWGRP  # user mode without write
-        other_mode = group_mode >> 3  # user mode without write
+        other_mode = group_mode >> 3  # same as group mode
         tarinfo.mode = (tarinfo.mode & ~0o77) | group_mode | other_mode
         # reset ownership numeric UID/GID 0
         tarinfo.uid = tarinfo.gid = 0