diff --git a/CHANGES.txt b/CHANGES.txt
index 813205d..53b3a8c 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,24 +1,25 @@
-v0.3.1,
+v0.4.0,
 
 New Capabilities:
-	1. Improved method implmented for converting discrete RVs between
+	1. Discrete Time Markov Chains module
+	2. Improved method implmented for converting discrete RVs between
 		different functional forms. Now runs more efficiently
-	2. Discrete RVs with explicit values and discrete RVs defined by
+	3. Discrete RVs with explicit values and discrete RVs defined by
 		expressions can now be manipulated with RV algebra
-	3. Sqrt(X) syntax implemented for transformation by sqrt(x).
-	4. X**n syntax implemented for transformations by x**n
-	5. Markov Chain class added, includes procedures for computing 
+	4. Sqrt(X) syntax implemented for transformation by sqrt(x).
+	5. X**n syntax implemented for transformations by x**n
+	6. Markov Chain class added, includes procedures for computing 
 		the state of a system after n additional steps
-	6. Support added for rational numbers in DiscreteUniformRV
-	7. Support for discrete random variables added for the Expected
+	7. Support added for rational numbers in DiscreteUniformRV
+	8. Support for discrete random variables added for the Expected
 		 Value function
-	8. BernoulliRV type added
-	9. RangeStat procedure added for finding the range stastics for
+	9. BernoulliRV type added
+	10. RangeStat procedure added for finding the range stastics for
 		a random variable
-	10. Maximum and Minimum IID now work with symbolic n unspecified
-	11. Random Variable method added to simplify functions with
+	11. Maximum and Minimum IID now work with symbolic n unspecified
+	12. Random Variable method added to simplify functions with
 		assumptions
-	12. VerifyPDF(X) added for compatiblity with APPL
+	13. VerifyPDF(X) added for compatiblity with APPL
 
 Fixed Bugs:
 	1. BootstrapRV procedure fixed. Duplicate elements are now