diff --git a/mercurial/patch.py b/mercurial/patch.py
--- a/mercurial/patch.py
+++ b/mercurial/patch.py
@@ -992,6 +992,38 @@ def filterpatch(ui, headers, operation=N
             'record': _("record this change to '%s'?"),
             'revert': _("revert this change to '%s'?"),
         }[operation],
+        'help': {
+            'discard': _('[Ynesfdaq?]'
+                         '$$ &Yes, discard this change'
+                         '$$ &No, skip this change'
+                         '$$ &Edit this change manually'
+                         '$$ &Skip remaining changes to this file'
+                         '$$ Discard remaining changes to this &file'
+                         '$$ &Done, skip remaining changes and files'
+                         '$$ Discard &all changes to all remaining files'
+                         '$$ &Quit, discarding no changes'
+                         '$$ &? (display help)'),
+            'record': _('[Ynesfdaq?]'
+                        '$$ &Yes, record this change'
+                        '$$ &No, skip this change'
+                        '$$ &Edit this change manually'
+                        '$$ &Skip remaining changes to this file'
+                        '$$ Record remaining changes to this &file'
+                        '$$ &Done, skip remaining changes and files'
+                        '$$ Record &all changes to all remaining files'
+                        '$$ &Quit, recording no changes'
+                        '$$ &? (display help)'),
+            'revert': _('[Ynesfdaq?]'
+                        '$$ &Yes, revert this change'
+                        '$$ &No, skip this change'
+                        '$$ &Edit this change manually'
+                        '$$ &Skip remaining changes to this file'
+                        '$$ Revert remaining changes to this &file'
+                        '$$ &Done, skip remaining changes and files'
+                        '$$ Revert &all changes to all remaining files'
+                        '$$ &Quit, reverting no changes'
+                        '$$ &? (display help)')
+        }[operation]
     }
 
     def prompt(skipfile, skipall, query, chunk):
@@ -1010,16 +1042,7 @@ def filterpatch(ui, headers, operation=N
         if skipfile is not None:
             return skipfile, skipfile, skipall, newpatches
         while True:
-            resps = _('[Ynesfdaq?]'
-                      '$$ &Yes, record this change'
-                      '$$ &No, skip this change'
-                      '$$ &Edit this change manually'
-                      '$$ &Skip remaining changes to this file'
-                      '$$ Record remaining changes to this &file'
-                      '$$ &Done, skip remaining changes and files'
-                      '$$ Record &all changes to all remaining files'
-                      '$$ &Quit, recording no changes'
-                      '$$ &? (display help)')
+            resps = messages['help']
             r = ui.promptchoice("%s %s" % (query, resps))
             ui.write("\n")
             if r == 8: # ?
diff --git a/tests/test-revert-interactive.t b/tests/test-revert-interactive.t
--- a/tests/test-revert-interactive.t
+++ b/tests/test-revert-interactive.t
@@ -46,6 +46,7 @@ 10 run the same test than 8 from within 
   > y
   > y
   > y
+  > ?
   > y
   > n
   > n
@@ -88,6 +89,17 @@ 10 run the same test than 8 from within 
    3
    4
    5
+  revert change 3/6 to 'folder1/g'? [Ynesfdaq?] ?
+  
+  y - yes, revert this change
+  n - no, skip this change
+  e - edit this change manually
+  s - skip remaining changes to this file
+  f - revert remaining changes to this file
+  d - done, skip remaining changes and files
+  a - revert all changes to all remaining files
+  q - quit, reverting no changes
+  ? - ? (display help)
   revert change 3/6 to 'folder1/g'? [Ynesfdaq?] y
   
   @@ -1,5 +2,6 @@
@@ -264,6 +276,7 @@ Test --no-backup
   M folder1/g
   $ hg revert --interactive f << EOF
   > y
+  > ?
   > y
   > n
   > n
@@ -279,6 +292,17 @@ Test --no-backup
    3
    4
    5
+  discard change 1/2 to 'f'? [Ynesfdaq?] ?
+  
+  y - yes, discard this change
+  n - no, skip this change
+  e - edit this change manually
+  s - skip remaining changes to this file
+  f - discard remaining changes to this file
+  d - done, skip remaining changes and files
+  a - discard all changes to all remaining files
+  q - quit, discarding no changes
+  ? - ? (display help)
   discard change 1/2 to 'f'? [Ynesfdaq?] y
   
   @@ -2,6 +1,5 @@
@@ -436,4 +460,3 @@ Check the experimental config to invert 
   forget added file newfile (Yn)? y
   $ hg status
   ? newfile
-