add missing backslash

diff --git a/src/sort.c b/src/sort.c
index f00fdc5b47cccf18aa0576d62a0d69a995fa8636..557173fb5d5df8697e2a39cbdddf3d73bcda1940 100644 (file)
--- a/src/sort.c
+++ b/src/sort.c
@@ -2245,7 +2245,7 @@ but lacks following character offset"));
     {
       if (nfiles > 1)
        error (SORT_FAILURE, 0,
-              _("too many arguments;  with -c, there may be at most
+              _("too many arguments;  with -c, there may be at most\
  one file argument"));
 
       /* POSIX requires that sort return 1 IFF invoked with -c and the