diff --git a/ChangeLog.txt b/ChangeLog.txt
index 43bdd21b..fde8c491 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -38,8 +38,9 @@ access the c:\WINDOWS\system32 directory, which made it impossible for the
 TurboVNC build scripts to bundle the 64-bit TurboJPEG DLL.
 
 [3] Fixed a bug whereby attempting to encode a progressive JPEG with arithmetic
-entropy coding (jpegtran -progressive -arithmetic) would result in an error,
-"Requested feature was omitted at compile time".
+entropy coding (by passing arguments of -progressive -arithmetic to cjpeg or
+jpegtran, for instance) would result in an error, "Requested feature was
+omitted at compile time".
 
 
 1.3.0