diff --git a/lib/redmine/scm/adapters/mercurial/redminehelper.py b/lib/redmine/scm/adapters/mercurial/redminehelper.py
index 7b3b639f2..eaba17e1f 100644
--- a/lib/redmine/scm/adapters/mercurial/redminehelper.py
+++ b/lib/redmine/scm/adapters/mercurial/redminehelper.py
@@ -196,21 +196,21 @@ cmdtable = {
                    [
                     ('r', 'rev', [], 'show the specified revision'),
                     ('b', 'branch', [],
-                       'show changesets within the given named branch', 'BRANCH'),
+                       'show changesets within the given named branch'),
                     ('l', 'limit', '',
-                         'limit number of changes displayed', 'NUM'),
+                         'limit number of changes displayed'),
                     ('d', 'date', '',
-                         'show revisions matching date spec', 'DATE'),
+                         'show revisions matching date spec'),
                     ('u', 'user', [],
-                      'revisions committed by user', 'USER'),
+                      'revisions committed by user'),
                     ('', 'from', '',
-                      '', ''),
+                      ''),
                     ('', 'to', '',
-                      '', ''),
+                      ''),
                     ('', 'rhbranch', '',
-                      '', ''),
+                      ''),
                     ('', 'template', '',
-                       'display with template', 'TEMPLATE')],
+                       'display with template')],
                    'hg rhlog [OPTION]... [FILE]'),
     'rhmanifest': (rhmanifest,
                    [('r', 'rev', '', 'show the specified revision')],