diff --git a/README.txt b/README.txt
index 86eaad2..d28f940 100644
--- a/README.txt
+++ b/README.txt
@@ -1,5 +1,6 @@
 jSSC-2.4.0 in development
 
+* Enabled TIOCEXCL support in Solaris
 * The port handle now stored in variable of type "long" instead of "int", to prevent potential problems with type conversions on Win64
 * Fixed native lib extraction path if user home is read only, in this situation lib will be extracted to tmp folder
 * Added new exception TYPE_INCORRECT_SERIAL_PORT