VOL-237 Added information on configuring the location of the cord
directory as required by the installer creator.

Change-Id: I3c1b413919e23ff5cce3b6af1926d7c34cccc593
diff --git a/install/BuildingTheInstaller.md b/install/BuildingTheInstaller.md
index 25f92fd..f8779d3 100755
--- a/install/BuildingTheInstaller.md
+++ b/install/BuildingTheInstaller.md
@@ -123,6 +123,8 @@
 cp ~/cord/incubator/voltha/install/ansible/ansible.cfg ~/.ansible.cfg
 ```
 
+Also please change the value of the `cord_home` variable in the `install/ansible/group_vars/all` to refer to the location of your cord directory. This is usually in your home directory but it can be anywhere so the installer can't guess at it.
+
 Also destroy any running voltha VM by first ensuring your config file `settings.vagrant.yaml` is set as specified above then peforming the following:
 
 ```