From a49ba5ea5f208fc8bc491176fdaca6e8b562f97e Mon Sep 17 00:00:00 2001
From: Jaeden Amero <jaeden.amero@arm.com>
Date: Fri, 9 Nov 2018 15:46:12 +0000
Subject: [PATCH] README: Specify that C99 is required

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index a7270686dc..d412a4d797 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ Since the Mbed Crypto library is a reference implementation of the PSA cryptogra
 You need the following tools to build the library with the provided makefiles:
 
 * GNU Make.
-* A C toolchain (compiler, linker, archiver).
+* A C99 toolchain (compiler, linker, archiver).
 * Python 2 or Python 3 (either will work) to generate the test code.
 * Perl to run the tests.