Added warning notice in the README

rougier · rougier · commit 4906a875967a · 2016-12-20T14:43:52.000+01:00
diff --git a/README.md b/README.md
@@ -3,3 +3,5 @@ Copyright (c) 2017 Nicolas P. Rougier
 This work is licensed under a
 [Creative Commons Attribution 4.0 International License]
 (http://creativecommons.org/licenses/by/4.0/).
+
+**Work in progress. No due date yet.**
diff --git a/book/problem-vectorization.rst b/book/problem-vectorization.rst
@@ -612,5 +612,3 @@ References
 
 Conclusion
 ----------
-
-|WIP|

-Original file line number
+Diff line change
 Conclusion
 ----------
+-
 -|WIP|