remove redundant line
diff --git a/t/cli.c b/t/cli.c
index b97c960..bf21b81 100644
--- a/t/cli.c
+++ b/t/cli.c
@@ -359,7 +359,6 @@
" -E esni-file file that stores ESNI data generated by picotls-esni\n"
" -e when resuming a session, send first 8,192 bytes of input\n"
" as early data\n"
- " -r Load raw public keys for raw certificates\n"
" -r public-key-file use raw public keys (RFC 7250). When set and running as a\n"
" client, the argument specifies the public keys that the\n"
" server is expected to use. When running as a server, the\n"