diff --git a/README.md b/README.md
index 482e4738e4bdd788b17f9dcd0f060883c09aa2bc..91e0a73ea1b2b98328fe7ea023fe844019eb5002 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@ Installation
 
 Edit soctools-inventory and add the desired docker containers to be deployed. The playbook has been tested on CentOS 7.
 Edit settings in group_vars/all/main.yml.
+The first entry in the nifiadmin variable is the user with full admin privileges in NiFi.
 
 To build the Docker images needed, run the ansible playbook:
 `ansible-playbook -i soctools-inventory buildimages.yml`