diff --git a/kibot/config_reader.py b/kibot/config_reader.py
index 07a248d1..5244befd 100644
--- a/kibot/config_reader.py
+++ b/kibot/config_reader.py
@@ -974,7 +974,8 @@ def print_preflights_help(rst):
             help, rest = reformat_text(help, ind_size)
             if rest:
                 help += '\n'+rest
-        print(f'- {extra}**{n}**: :index:`: <pair: preflights; {n}>` {help}.')
+        index = ':index:`: <pair: preflights; {n}>` ' if rst else ''
+        print(f'- {extra}**{n}**: {index}{help}.')
         if options:
             print_output_options(n, options, ind_size, 'preflight - '+n)
 
@@ -1045,13 +1046,15 @@ def print_filters_help(rst):
     for n, o in OrderedDict(sorted(filters.items())).items():
         help = o.__doc__
         if help is None:
-            help = 'Undocumented'
-            title = ''
+            help = ''
+            title = 'Undocumented'
         else:
             title, help = reformat_text(help, ind_size)
             title = f'(**{title}**)'
 
-        print(f'- {extra}**{n}**: {title}\n{help}.')
+        print(f'- {extra}**{n}**: {title}')
+        if help:
+            print(f'{help}.')
         print_output_options(n, o, ind_size, 'filter - '+n)
 
 
diff --git a/tests/test_plot/test_misc.py b/tests/test_plot/test_misc.py
index 554e4f00..2950d2e2 100644
--- a/tests/test_plot/test_misc.py
+++ b/tests/test_plot/test_misc.py
@@ -296,7 +296,7 @@ def test_help(test_dir):
 def test_help_list_outputs(test_dir):
     ctx = context.TestContext(test_dir, '3Rs', 'pre_and_position')
     ctx.run(extra=['--help-list-outputs'], no_verbose=True, no_out_dir=True, no_yaml_file=True, no_board_file=True)
-    assert ctx.search_out('Supported outputs:')
+    assert ctx.search_out('Supported outputs')
     assert ctx.search_out('Gerber format')
     ctx.clean_up()
 
@@ -331,7 +331,7 @@ def test_help_output_plugin_1(test_dir, monkeypatch):
         m.setenv("HOME", os.path.join(ctx.get_board_dir(), '../..'))
         logging.debug('HOME='+os.environ['HOME'])
         ctx.run(extra=['--help-output', 'test'], no_verbose=True, no_out_dir=True, no_yaml_file=True, no_board_file=True)
-    assert ctx.search_out(r'\* Undocumented')
+    assert ctx.search_out(r'- Undocumented')
     assert ctx.search_out('Description: No description')
     assert ctx.search_out('Type: .?test.?')
     assert ctx.search_out('nothing')
@@ -361,7 +361,7 @@ def test_help_output_plugin_3(test_dir, monkeypatch):
         m.setenv("HOME", os.path.join(ctx.get_board_dir(), '../..'))
         logging.debug('HOME='+os.environ['HOME'])
         ctx.run(extra=['--help-preflights'], no_verbose=True, no_out_dir=True, no_yaml_file=True, no_board_file=True)
-    assert ctx.search_out('- `pre_test`: Undocumented')
+    assert ctx.search_out(r'- \*\*pre_test\*\*: Undocumented')
     ctx.clean_up()
 
 
@@ -372,7 +372,7 @@ def test_help_output_plugin_4(test_dir, monkeypatch):
         m.setenv("HOME", os.path.join(ctx.get_board_dir(), '../..'))
         logging.debug('HOME='+os.environ['HOME'])
         ctx.run(extra=['--help-filters'], no_verbose=True, no_out_dir=True, no_yaml_file=True, no_board_file=True)
-    assert ctx.search_out('- filter_test: Undocumented')
+    assert ctx.search_out(r'- \*\*filter_test\*\*: Undocumented')
     ctx.clean_up()
 
 
@@ -387,7 +387,7 @@ def test_help_outputs(test_dir):
 def test_help_preflights(test_dir):
     ctx = context.TestContext(test_dir, '3Rs', 'pre_and_position')
     ctx.run(extra=['--help-preflights'], no_verbose=True, no_out_dir=True, no_yaml_file=True, no_board_file=True)
-    assert ctx.search_out('Supported preflight options')
+    assert ctx.search_out('Supported preflights')
     ctx.clean_up()