ncmd.c: Update check_cmd.

* src/ncmd.c (check_cmd): Change error message when command is
invalid.
* tests/ncmd_tests.c (test_check_cmd): Update test.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ncmd.c b/src/ncmd.c
index e1393a3..1a71d0e 100644
--- a/src/ncmd.c
+++ b/src/ncmd.c
@@ -42,7 +42,7 @@ int check_cmd(char *cmd, char *err)
         strncpy(err, "closing connection\n", RSP_SIZE);
         return -1;
     } else {
-        strncpy(err, "command size invalid\n", RSP_SIZE);
+        strncpy(err, "invalid command\n", RSP_SIZE);
         return -1;
     }