Mention !status explicitly in the documentation for !close

Summary: Ref T10088.

Test Plan: {F1055107}

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T10088

Differential Revision: https://secure.phabricator.com/D14953

src/applications/maniphest/command/ManiphestClaimEmailCommand.php

@@ -8,7 +8,10 @@ final class ManiphestClaimEmailCommand
   }
 
   public function getCommandSummary() {
-    return pht('Assign yourself as the owner of a task.');
+    return pht(
+      'Assign yourself as the owner of a task. To assign another user, '.
+      'see `%s`.',
+      '!assign');
   }
 
   public function buildTransactions(

src/applications/maniphest/command/ManiphestCloseEmailCommand.php

@@ -8,7 +8,11 @@ final class ManiphestCloseEmailCommand
   }
 
   public function getCommandSummary() {
-    return pht('Close a task.');
+    return pht(
+      'Close a task. This changes the task status to the default closed '.
+      'status. For a more powerful (but less concise) way to change task '.
+      'statuses, see `%s`.',
+      '!status');
   }
 
   public function buildTransactions(

src/applications/maniphest/command/ManiphestStatusEmailCommand.php

@@ -36,9 +36,11 @@ final class ManiphestStatusEmailCommand
       "To change the status of a task, specify the desired status, like ".
       "`%s`. This table shows the configured names for statuses.\n\n%s\n\n".
       "If you specify an invalid status, the command is ignored. This ".
-      "command has no effect if you do not specify a status.",
+      "command has no effect if you do not specify a status.\n\n".
+      "To quickly close a task, see `%s`.",
       '!status invalid',
-      $table);
+      $table,
+      '!close');
   }
 
   public function buildTransactions(