diff --git a/py-phonagen/generator-list2chain.py b/py-phonagen/generator-list2chain.py
index 5815702..d4c7e27 100755
--- a/py-phonagen/generator-list2chain.py
+++ b/py-phonagen/generator-list2chain.py
@@ -8,7 +8,7 @@ def parseArgs():
   parser = argparse.ArgumentParser(description='Convert an example list to a chain generator.')
   parser.add_argument('file', metavar='listfile', help='list file to convert')
   parser.add_argument('--id', metavar='id', help='id of the generator', required = True)
-  parser.add_argument('--description', metavar='description', help='description of the phonology; empty if not provided', default='')
+  parser.add_argument('--description', metavar='description', help='description of the generator; empty if not provided', default='')
   parser.add_argument('--phonology', metavar='phonology', help='id of the phonology on which is based the generator', required = True)
   parser.add_argument('--phonologyfile', metavar='phonologyfile', help='file containing the phonology; optional, if provided, examples will be checked for unknown phonemes and phonology will present in the output', default='')
   parser.add_argument('--order', metavar='order', help='order of the chain; 1 by default', default=1, type=int)
diff --git a/py-phonagen/generator-list2rule.py b/py-phonagen/generator-list2rule.py
index a0c75ec..ec8d0ef 100755
--- a/py-phonagen/generator-list2rule.py
+++ b/py-phonagen/generator-list2rule.py
@@ -8,7 +8,7 @@ def parseArgs():
   parser = argparse.ArgumentParser(description='Convert an example list to a rule generator.')
   parser.add_argument('file', metavar='listfile', help='list file to convert')
   parser.add_argument('--id', metavar='id', help='id of the generator', required = True)
-  parser.add_argument('--description', metavar='description', help='description of the phonology; empty if not provided', default='')
+  parser.add_argument('--description', metavar='description', help='description of the generator; empty if not provided', default='')
   parser.add_argument('--phonology', metavar='phonology', help='id of the phonology on which is based the generator', required = True)
   parser.add_argument('--phonologyfile', metavar='phonologyfile', help='file containing the phonology; mandatory; phonology will present in the output', required = True)
   parser.add_argument('--output', metavar='output-file', help='Output file for the generator. The file is printed to standard output if not given.', default='')