diff --git a/CSharpTranslator/antlr3/docs/external/CHANGELOG b/CSharpTranslator/antlr3/docs/external/CHANGELOG
index 117fc3c..27104a8 100644
--- a/CSharpTranslator/antlr3/docs/external/CHANGELOG
+++ b/CSharpTranslator/antlr3/docs/external/CHANGELOG
@@ -1,4 +1,9 @@
-2011-09-13
+2011-12-07  2011.3.1
+
+	* primitive types are now correctly boxed when they appear as
+	Generic Type arguments.
+
+	* defaults for parameters can be provided by an ini file (option -config).
 
 	* revamped option names (sorry!). See user guide.
 	    added:
@@ -32,6 +37,8 @@
 
                         -experimental-enums-numericconsts  -->  -experimental-enums-to-numeric-consts
 
+	* the usual bug fixes and improvements to translation templates.
+
 2011-09-07  2011.2.4
 
 	* add option -experimental-unsigned-to-bigger-signed=true/false (default: false).