Fix mistake

Signed-off-by: Benoit Donneaux <benoit@leastauthority.com>

morph/grid/testing/public-keys/users.nix

@@ -10,5 +10,5 @@ let
 in
   {
     "root" = flo ++ bdonneaux ++ shae ++ chris ++ last-resort ++ meejah;
-    inherit  flo    bdonneaux    shae    chris    last-resort ++ meejah;
+    inherit  flo    bdonneaux    shae    chris    last-resort    meejah;
   }