diff --git a/doc/sleuth.txt b/doc/sleuth.txt
index d79a7fe..e187cc9 100644
--- a/doc/sleuth.txt
+++ b/doc/sleuth.txt
@@ -14,4 +14,7 @@ otherwise insufficient, by looking at other files of the same type in the
 current and parent directories.  In lieu of adjusting 'softtabstop',
 'smarttab' is enabled.
 
+                                                *:Sleuth*
+:Sleuth                 Manually detect indentation.
+
  vim:tw=78:et:ft=help:norl:
diff --git a/plugin/sleuth.vim b/plugin/sleuth.vim
index df8bda4..276d9f7 100644
--- a/plugin/sleuth.vim
+++ b/plugin/sleuth.vim
@@ -166,4 +166,6 @@ augroup sleuth
   autocmd FileType * call s:detect()
 augroup END
 
+command! -bar -bang Sleuth call s:detect()
+
 " vim:set et sw=2: