X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=README.md;h=78d216de17d795124c18a907e17d1a56e4fed110;hb=51da835d34f41fae0a3dceb795e2af68ba73d28c;hp=a75235b3649f2979edb9dc90767efe09a6204b3b;hpb=bed57b3c24a75c182af4cff2aa17d840e4c2fe27;p=plcapi.git

diff --git a/README.md b/README.md
index a75235b..78d216d 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,10 @@ The user manual can be found in the doc/manual directory, in Asciidoc format: [p
 
 Release tarballs also contain the HTML and PDF versions, as well as an automatically generated API documentation.
 
+Upgrading
+---------
+If you are upgrading from version 3 or earlier, please read the docs in [doc/api_changes_v4.md](doc/api_changes_v4.md)
+
 License
 -------
 Use of this software is subject to the terms in the [license.txt](license.txt) file