[nongnu] elpa/nix-mode ea649349b5 156/500: Fix syntax issue

[ELPA Syncer]

branch: elpa/nix-mode
commit ea649349b5fc5a27ba860267d08cdf134b08709c
Author: Matthew Bauer <mjbauer95@gmail.com>
Commit: Matthew Bauer <mjbauer95@gmail.com>

    Fix syntax issue
---
 nix-shell.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nix-shell.el b/nix-shell.el
index cb7725eaf4..713b223fec 100644
--- a/nix-shell.el
+++ b/nix-shell.el
@@ -21,7 +21,7 @@
 
 (defgroup nix-shell nil
   "Customizations for nix-shell"
-  :group nix)
+  :group 'nix)
 
 (defcustom nix-shell-executable "nix-shell"
   "Location of nix-shell executable."