diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index 3db2b52..d3141b3 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -346,10 +346,11 @@
 
 #define USAGE_KEY_OPAQUE_ALGS \
     "    key_opaque_algs=%%s  Allowed opaque key algorithms.\n"                      \
-    "                        comma-separated pair of values among the following:\n"   \
-    "                        rsa-sign-pkcs1, rsa-sign-pss, rsa-decrypt,\n"           \
-    "                        ecdsa-sign, ecdh, none (only acceptable for\n"          \
-    "                        the second value).\n"                                   \
+    "                        comma-separated pair of values among the following:\n"    \
+    "                        rsa-sign-pkcs1, rsa-sign-pss, rsa-sign-pss-sha256,\n"     \
+    "                        rsa-sign-pss-sha384, rsa-sign-pss-sha512, rsa-decrypt,\n" \
+    "                        ecdsa-sign, ecdh, none (only acceptable for\n"            \
+    "                        the second value).\n"                                     \
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
 #define USAGE_TLS1_3_KEY_EXCHANGE_MODES \