exe/git-multi in git-multi-1.0.5 vs exe/git-multi in git-multi-1.0.6

@@ -29,10 +29,10 @@
   when '--eval'    then Git::Multi::Commands.eval(ARGV)
   when '--raw'     then Git::Multi::Commands.raw(ARGV)
   else
     abort \
       "Unknown 'git multi' command: #{command}\n\n" \
-      "(use --help/-h to list all available commands)"
+      '(use --help/-h to list all available commands)'
   end
 when nil, '', '-h'
   Git::Multi::Commands.help
 else
   Git::Multi::Commands.report