diff --git a/cliff/command.py b/cliff/command.py
index ae66e0e..6a4af11 100644
--- a/cliff/command.py
+++ b/cliff/command.py
@@ -89,6 +89,16 @@ class Command(object):
 
     def get_epilog(self):
         """Return the command epilog."""
+        hook_epilogs = filter(
+            None,
+            (h.obj.get_epilog() for h in self._hooks),
+        )
+        if hook_epilogs:
+            # combine them, replacing a None in self._epilog with an
+            # empty string
+            parts = [self._epilog or '']
+            parts.extend(hook_epilogs)
+            return '\n\n'.join(parts)
         return self._epilog
 
     def get_parser(self, prog_name):
diff --git a/cliff/hooks.py b/cliff/hooks.py
index e8a804a..b41cef1 100644
--- a/cliff/hooks.py
+++ b/cliff/hooks.py
@@ -36,3 +36,8 @@ class CommandHook(object):
         :returns: ArgumentParser
         """
         return parser
+
+    @abc.abstractmethod
+    def get_epilog(self):
+        "Return text to add to the command help epilog."
+        return ''
diff --git a/cliff/tests/test_command_hooks.py b/cliff/tests/test_command_hooks.py
index bacc3eb..bb69d11 100644
--- a/cliff/tests/test_command_hooks.py
+++ b/cliff/tests/test_command_hooks.py
@@ -66,6 +66,9 @@ class TestHook(hooks.CommandHook):
         parser.add_argument('--added-by-hook')
         return parser
 
+    def get_epilog(self):
+        return 'hook epilog'
+
 
 class TestCommandLoadHooks(base.TestBase):
 
@@ -83,10 +86,10 @@ class TestCommandLoadHooks(base.TestBase):
         self.assertEqual('cliff.tests.test', kwargs['namespace'])
 
 
-class TestParserHook(base.TestBase):
+class TestHooks(base.TestBase):
 
     def setUp(self):
-        super(TestParserHook, self).setUp()
+        super(TestHooks, self).setUp()
         self.app = make_app()
         self.cmd = TestCommand(self.app, None, cmd_name='test')
         self.hook = TestHook(self.cmd)
@@ -105,3 +108,7 @@ class TestParserHook(base.TestBase):
         parser = self.cmd.get_parser('test')
         results = parser.parse_args(['--added-by-hook', 'value'])
         self.assertEqual(results.added_by_hook, 'value')
+
+    def test_get_epilog(self):
+        results = self.cmd.get_epilog()
+        self.assertIn('hook epilog', results)
diff --git a/demoapp/cliffdemo/hook.py b/demoapp/cliffdemo/hook.py
index 09c546c..405ff33 100644
--- a/demoapp/cliffdemo/hook.py
+++ b/demoapp/cliffdemo/hook.py
@@ -39,3 +39,6 @@ class Hook(CommandHook):
         print('sample hook get_parser()')
         parser.add_argument('--added-by-hook')
         return parser
+
+    def get_epilog(self):
+        return 'extension epilog text'
diff --git a/doc/source/user/demoapp.rst b/doc/source/user/demoapp.rst
index 0edcdbf..35e2586 100644
--- a/doc/source/user/demoapp.rst
+++ b/doc/source/user/demoapp.rst
@@ -293,6 +293,8 @@ single ``--added-by-hook`` option.
       -h, --help            show this help message and exit
       --added-by-hook ADDED_BY_HOOK
 
+    extension epilog text
+
 .. seealso::
 
    :class:`cliff.hooks.CommandHook` -- The API for command hooks.