diff --git a/doc/generic/pgf/ChangeLog b/doc/generic/pgf/ChangeLog
index 4bc16d149..36bdaba44 100644
--- a/doc/generic/pgf/ChangeLog
+++ b/doc/generic/pgf/ChangeLog
@@ -1,3 +1,11 @@
+2019-12-21 Henri Menke
+
+    Release 3.1.5a
+
+2019-12-21 Henri Menke
+
+    - Revert "Forward scanned coordinate untouched #785" #809
+
 2019-12-19 Henri Menke
 
     Release 3.1.5