diff --git a/docs/conf.py b/docs/conf.py
index 7712d74..f506208 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -242,9 +242,11 @@
     ('manpages/ndnsec-cert-gen',     'ndnsec-cert-gen',    'part of NDN security tools', None, 1),
     ('manpages/ndnsec-cert-install', 'ndnsec-cert-instal', 'part of NDN security tools', None, 1),
     ('manpages/ndnsec-delete',       'ndnsec-delete',      'part of NDN security tools', None, 1),
-    ('manpages/ndnsec-export',       'ndnsec-export',      'part of NDN security tools', None, 1),
+    ('manpages/ndnsec-export',       'ndnsec-export',
+     'export a certificate and its private key to a file', None, 1),
     ('manpages/ndnsec-get-default',  'ndnsec-get-default', 'part of NDN security tools', None, 1),
-    ('manpages/ndnsec-import',       'ndnsec-import',      'part of NDN security tools', None, 1),
+    ('manpages/ndnsec-import',       'ndnsec-import',
+     'import a certificate and its private key from a file', None, 1),
     ('manpages/ndnsec-key-gen',      'ndnsec-key-gen',     'part of NDN security tools', None, 1),
     ('manpages/ndnsec-list',         'ndnsec-list',        'part of NDN security tools', None, 1),
     ('manpages/ndnsec-set-default',  'ndnsec-set-default', 'part of NDN security tools', None, 1),