diff --git a/README b/README
index 0b2cc8912c3730af5961ac3d76eaf5497e51a5f1..48a5a70d1e024ff62012ff86352b57ee6ab34301 100644
--- a/README
+++ b/README
@@ -17,3 +17,6 @@ Beginnings of a PDF parser in Hammer
 
        # place some test files in the t/ directory...
        $ make test
+
+- Notes for 2020-04-27 release:
+      - The release branch has been tested to build with the 2020-02-27_RELEASE` branch located at https://gitlab.special-circumstanc.es/pesco/hammer/tree/2020-02-27_RELEASE