UNOMI-225 Fix typo in documentation

Signed-off-by: Serge Huber <shuber@apache.org>
diff --git a/manual/src/main/asciidoc/new-data-model.adoc b/manual/src/main/asciidoc/new-data-model.adoc
index b9bcbd4..31707f3 100644
--- a/manual/src/main/asciidoc/new-data-model.adoc
+++ b/manual/src/main/asciidoc/new-data-model.adoc
@@ -81,7 +81,7 @@
 
 Once in the console launch the migration using the following command:
 
-    migrate 1.5.0
+    migrate 1.4.0
 
 Follow the instructions and answer the prompts. If you used the above configuration as an example you can simply use the
 default values. Note that it is also possible to change the index prefix to be different from the default `context` value