diff --git a/doc/Release_notes.txt b/doc/Release_notes.txt
index f99d5a2e..7cfb2ecd 100644
--- a/doc/Release_notes.txt
+++ b/doc/Release_notes.txt
@@ -1,3 +1,3 @@
-POST 1.33.0
-array_adaptor and shallow_array_adaptor removed
-carray_adaptor included and documented
+PRE 1.34.0
+  FIX size_type and difference_type can be non defaults and uBLAS expressions use the correct types.
+  
\ No newline at end of file