diff --git a/backend_tcl/zint.c b/backend_tcl/zint.c
index b2771a1a..9d3f7efb 100644
--- a/backend_tcl/zint.c
+++ b/backend_tcl/zint.c
@@ -103,6 +103,9 @@
 2021-01-05 2.9.1 HaO
 - Added options -reverse, -werror, -wzpl
 - Use version number from zint.h (first 3 digits). Do not use an own one.
+2021-01-14 GL
+- Removed TCL native encoding of ECI's and replace by zint buildin mechanism.
+  The input is now UTF-8 for any ECI and zint cares about the encoding.
 */
 
 #if defined(__WIN32__) || defined(_WIN32) || defined(WIN32)
@@ -144,7 +147,7 @@
 /*----------------------------------------------------------------------------*/
 /* >>>>> Hepler defines */
 
-/* Two macros are necessary to not include the define name, but the value */
+/* Two macros are necessary to not include the define name, but the value */
 #define STRING(x) #x
 #define TOSTRING(x) STRING(x)