From 18cb2652ac83be1a3f2d9c4ce445420534b666d1 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Tue, 16 Jul 2013 10:03:08 +0200
Subject: add comment about error correction level

---
 config.def.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/config.def.h b/config.def.h
index b851425..fa26683 100644
--- a/config.def.h
+++ b/config.def.h
@@ -16,6 +16,8 @@
  *                  QR_ECLEVEL_H (highest, about 30%)
  * image size raises with higher levels */
 #define QRCODE_LEVEL	QR_ECLEVEL_L
+/* note that changing the level at runtime requies
+ * a numeric value from 0 to 3 */
 
 /* if you really, really, really want to save some bytes...
  * it is possible to disable text information in PNG file, just uncomment
-- 
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