Silence byte-compiler warning

1 files changed, 2 insertions, 1 deletions

diff --git a/helpful.el b/helpful.el
index 9d05852..544ab8b 100644
--- a/helpful.el
+++ b/helpful.el
@@ -62,7 +62,8 @@
 show the value of buffer-local variables.")
 
 (defgroup helpful nil
-  "A rich help system with contextual information.")
+  "A rich help system with contextual information."
+  :group 'helpful)
 
 (defcustom helpful-max-buffers
   5