diff --git a/client/tarantool/tc_cli.c b/client/tarantool/tc_cli.c
index 674e990716221705363f1630e7449ea308bfb305..64760ba504145edaf3b1fede104d5a5438b932ff 100644
--- a/client/tarantool/tc_cli.c
+++ b/client/tarantool/tc_cli.c
@@ -138,7 +138,7 @@ tc_cmd_usage(void)
 		" - notee\n"
 		" - loadfile 'path'\n"
 		" - setopt key=val\n"
-		" - (possible pairs: delim=\'str\')\n"
+		" - (possible pairs: delim[iter]=\'string\')\n"
 		"...\n";
 	tc_printf("%s", usage);
 }
@@ -287,7 +287,7 @@ tc_cmd_try(char *cmd, size_t size, int *reconnect)
 				tc.opt.delim_len = strlen(tc.opt.delim);
 			} else {
 				tc_printf("---\n");
-				tc_printf(" - Expected delim='string'\n");
+				tc_printf(" - Expected: setopt delim[iter]='string'\n");
 				tc_printf("---\n");
 			}
 			break;