diff --git a/apps/s_client.c b/apps/s_client.c
index 30ea74388b996be5624a23f4e989ea8ca4d403be..fe14b362ea45d454d914cc3b36af0ce0ec7823c0 100644
--- a/apps/s_client.c
+++ b/apps/s_client.c
@@ -329,7 +329,7 @@ static void sc_usage(void)
 	BIO_printf(bio_err," -srppass arg      - password for 'user'\n");
 	BIO_printf(bio_err," -srp_lateuser     - SRP username into second ClientHello message\n");
 	BIO_printf(bio_err," -srp_moregroups   - Tolerate other than the known g N values.\n");
-	BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
+	BIO_printf(bio_err," -srp_strength int - minimal length in bits for N (default %d).\n",SRP_MINIMAL_N);
 #endif
 #ifndef OPENSSL_NO_SSL3_METHOD
 	BIO_printf(bio_err," -ssl3         - just use SSLv3\n");