diff --git a/src/imxml2epub.py b/src/imxml2epub.py
index 4280e0a..ed07be5 100755
--- a/src/imxml2epub.py
+++ b/src/imxml2epub.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8; mode: python -*-
-# Time-stamp: <2020-01-14 16:18:28 (kthoden)>
+# Time-stamp: <2020-01-15 18:17:18 (kthoden)>
 
 """ Convert a customized DocBook XML file into a set of files that
 constitute the contents of an EPUB file.
@@ -64,7 +64,7 @@
 )
 parser.add_argument(
         "-o", "--output-dir",
-        help = f"output directory. default: {DEFAULT_OUTPUT_DIR}/PUBLICATION_NAME/imxml",
+        help = f"output directory. default: {DEFAULT_OUTPUT_DIR}/PUBLICATION_NAME/epub",
         type = Path,
 )
 parser.add_argument(