Fix minor spelling mistake in programs/pkey/gen_key.c
diff --git a/programs/pkey/gen_key.c b/programs/pkey/gen_key.c
index f60cad7..63a3aeb 100644
--- a/programs/pkey/gen_key.c
+++ b/programs/pkey/gen_key.c
@@ -209,7 +209,7 @@
ret = 1;
mbedtls_printf( USAGE );
#if defined(MBEDTLS_ECP_C)
- mbedtls_printf( " availabled ec_curve values:\n" );
+ mbedtls_printf( " available ec_curve values:\n" );
curve_info = mbedtls_ecp_curve_list();
mbedtls_printf( " %s (default)\n", curve_info->name );
while( ( ++curve_info )->name != NULL )