diff --git a/nshlib/README.txt b/nshlib/README.txt
index 33b56bfa0..c315ecfc5 100644
--- a/nshlib/README.txt
+++ b/nshlib/README.txt
@@ -314,7 +314,7 @@ o arp [-a <ipaddr>|-d <ipaddr>|-s <ipaddr> <hwaddr>]
   Example:
 
     nsh> arp -a 10.0.0.1
-    nsh: arp: ioctl failed: 22
+    nsh: arp: no such ARP entry: 10.0.0.1
 
     nsh> arp -s 10.0.0.1 00:13:3b:12:73:e6
     nsh> arp -a 10.0.0.1
@@ -322,7 +322,7 @@ o arp [-a <ipaddr>|-d <ipaddr>|-s <ipaddr> <hwaddr>]
 
     nsh> arp -d 10.0.0.1
     nsh> arp -a 10.0.0.1
-    nsh: arp: ioctl failed: 22
+    nsh: arp: no such ARP entry: 10.0.0.1
 
 o base64dec [-w] [-f] <string or filepath>
 
diff --git a/nshlib/nsh_netcmds.c b/nshlib/nsh_netcmds.c
index a3082031c..b4db8b628 100644
--- a/nshlib/nsh_netcmds.c
+++ b/nshlib/nsh_netcmds.c
@@ -1254,7 +1254,15 @@ int cmd_arp(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
 /* Error exits */
 
 errout_cmdfaild:
-  nsh_output(vtbl, g_fmtcmdfailed, argv[0], "ioctl", NSH_ERRNO);
+  if (ret == -ENOENT)
+    {
+      nsh_output(vtbl, g_fmtnosuch, argv[0], "ARP entry", argv[2]);
+    }
+  else
+    {
+      nsh_output(vtbl, g_fmtcmdfailed, argv[0], "ioctl", NSH_ERRNO);
+    }
+
   return ERROR;
 
 errout_missing: