diff --git a/README_FDB b/README_FDB
new file mode 100644
index 0000000000000000000000000000000000000000..371c8cf3bd4777a4bfdeb15043119ab945e21f2f
--- /dev/null
+++ b/README_FDB
@@ -0,0 +1,8 @@
+Since CDI version 2.0.0 access to FDB5 is supported.
+This support has the status experimental, because the error handling is still very limited.
+Furthermore, the user interface currently allows only limited access to the FDB.
+For FDB access a fdb5 and ecCodes library is required.
+FDB5 support is enabled with the configure option:
+
+     --with-fdb5=<fdb5 root directory>
+
diff --git a/configure.ac b/configure.ac
index 930415a28f60f99daf20d94855f5c1d8245f9494..c720d313a17eef899114a61726f658d7d6547ee0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,7 +7,7 @@
 AC_PREREQ([2.69])
 LT_PREREQ([2.4.6])
 
-AC_INIT([cdi],[2.0.0rc5],[https://mpimet.mpg.de/cdi])
+AC_INIT([cdi],[2.0.0],[https://mpimet.mpg.de/cdi])
 
 AC_DEFINE_UNQUOTED(CDI, ["$PACKAGE_VERSION"], [CDI version])