update changes.txt
diff --git a/changes.txt b/changes.txt
index a7b7f6e..aa0c64c 100644
--- a/changes.txt
+++ b/changes.txt
@@ -1,4 +1,4 @@
-FIXME
+Jan 28th, 2019
v1.1.0
-- Christoph Zurnieden contributed FIPS 186.4 compliant
prime-checking (PR #113), several other fixes and a load of documentation