diff --git a/docs/readme.txt b/docs/readme.txt
index 2b079c28b4..8705250b32 100644
--- a/docs/readme.txt
+++ b/docs/readme.txt
@@ -164,7 +164,7 @@ If compiled with --enable-odbc (Unix only), wxWindows library will
 contain iODBC library which is covered by LGPL.
 
 If you use TIFF image handler, please see src/tiff/COPYRIGHT
-for libtiff license details.
+for libtiff licence details.
 
 If you use JPEG image handler, documentation for your program should
 contain following sentence: "This software is based in part on the work of
@@ -174,6 +174,9 @@ If you use wxRegEx class on a system without native regular expressions
 support (i.e. MS Windows), see src/regex/COPYRIGHT file for Henry Spencer's
 regular expression library copyright.
 
+If you use wxXML classes or XRC, see src/expat/COPYING for licence details.
+
+
 Documentation
 -------------