diff --git a/docs/060-breaking-changes.rst b/docs/060-breaking-changes.rst
index 1a131a2c8..1d85e07f3 100644
--- a/docs/060-breaking-changes.rst
+++ b/docs/060-breaking-changes.rst
@@ -42,7 +42,8 @@ For most of the topics the compiler will provide suggestions.
   storage arrays.
 
 * The new keyword ``abstract`` can be used to mark contracts as abstract. It has to be used
-  if a contract does not implement all its functions.
+  if a contract does not implement all its functions. Abstract contracts cannot be initialised and solidity outputs no
+  no bytecode when compiling them.
 
 * Libraries have to implement all their functions, not only the internal ones.