Fix error message in migrate_set_capability HMP command

Signed-off-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

Signed-off-by: Juan Quintela <quintela@redhat.com>
diff --git a/hmp.c b/hmp.c
index 249b89b..1689e6f 100644
--- a/hmp.c
+++ b/hmp.c
@@ -892,7 +892,7 @@
     qapi_free_MigrationCapabilityStatusList(caps);
 
     if (err) {
-        monitor_printf(mon, "migrate_set_parameter: %s\n",
+        monitor_printf(mon, "migrate_set_capability: %s\n",
                        error_get_pretty(err));
         error_free(err);
     }