diff --git a/PORTS b/PORTS
--- a/PORTS
+++ b/PORTS
@@ -41,6 +41,6 @@
     44080   Hound
     # 45080 should be reserved for OpenGrok to compare with Hound
     47080   Jenkins HTTP - Test
-    50000   Jenkins master's port for JNLP-based Jenkins agents - CD
-    52000   Jenkins master's port for JNLP-based Jenkins agents - Test
-    55000   Jenkins master's port for JNKP-based Jenkins agents - CI
+    50000   Jenkins controller's port for JNLP-based Jenkins agents - CD
+    52000   Jenkins controller's port for JNLP-based Jenkins agents - Test
+    55000   Jenkins controller's port for JNKP-based Jenkins agents - CI
diff --git a/roles/paas-docker/containers/jenkins.sls b/roles/paas-docker/containers/jenkins.sls
--- a/roles/paas-docker/containers/jenkins.sls
+++ b/roles/paas-docker/containers/jenkins.sls
@@ -52,6 +52,6 @@
       - 50000
     - port_bindings:
       - {{ container['app_port'] }}:8080 # HTTP
-      - {{ container['jnlp_port'] }}:50000 # Jenkins master's port for JNLP-based Jenkins agents
+      - {{ container['jnlp_port'] }}:50000 # Jenkins controller's port for JNLP-based Jenkins agents
 
 {% endfor %}