diff --git a/pep-0478.txt b/pep-0478.txt
index fda0d396c..41ab1980f 100644
--- a/pep-0478.txt
+++ b/pep-0478.txt
@@ -41,8 +41,9 @@ The releases:
 - 3.5.0 alpha 3: March 29, 2015
 - 3.5.0 alpha 4: April 19, 2015
 - 3.5.0 beta 1: May 24, 2015
-- 3.5.0 beta 2: July 5, 2015
-- 3.5.0 beta 3: July 26, 2015
+- 3.5.0 beta 2: May 31, 2015
+- 3.5.0 beta 3: July 5, 2015
+- 3.5.0 beta 4: July 26, 2015
 - 3.5.0 candidate 1: August 9, 2015
 - 3.5.0 candidate 2: August 23, 2015
 - 3.5.0 candidate 3: September 6, 2015