diff --git a/doc/source/configuration/docker_proxy_config.rst b/doc/source/configuration/docker_proxy_config.rst
index 4538e586b..189a7d0f4 100644
--- a/doc/source/configuration/docker_proxy_config.rst
+++ b/doc/source/configuration/docker_proxy_config.rst
@@ -86,8 +86,11 @@ To specify the HTTP proxy URL, use the commands:
 
 ::
 
-    system service-parameter-modify platform docker http_proxy http://my.proxy.com:1080
-    system service-parameter-apply platform
+    system service-parameter-add docker proxy http_proxy=http://my.proxy.com:1080
+    system service-parameter-apply docker
+
+If the service parameter "http_proxy" already exists, use
+`service-parameter-modify` instead of `service-parameter-add`.
 
 -------------------
 Set HTTPS proxy URL
@@ -97,8 +100,11 @@ To specify the HTTPS proxy URL, use the commands:
 
 ::
 
-    system service-parameter-modify platform docker https_proxy https://my.proxy.com:1443
-    system service-parameter-apply platform
+    system service-parameter-add docker proxy https_proxy=https://my.proxy.com:1443
+    system service-parameter-apply docker
+
+If the service parameter "https_proxy" already exists, use
+`service-parameter-modify` instead of `service-parameter-add`.
 
 -------------------------
 Set no_proxy address list
@@ -115,5 +121,8 @@ To specify a no_proxy list, use the commands:
 
 ::
 
-    system service-parameter-modify platform docker no_proxy: 1.2.3.4, 5.6.7.8
-    system service-parameter-apply platform
+    system service-parameter-add docker proxy no_proxy="1.2.3.4,5.6.7.8"
+    system service-parameter-apply docker
+
+If the service parameter "no_proxy" already exists, use
+`service-parameter-modify` instead of `service-parameter-add`.
\ No newline at end of file
diff --git a/doc/source/security/kubernetes/connect-to-container-registries-through-a-firewall-or-proxy.rst b/doc/source/security/kubernetes/connect-to-container-registries-through-a-firewall-or-proxy.rst
index 9d5076371..648705bcb 100644
--- a/doc/source/security/kubernetes/connect-to-container-registries-through-a-firewall-or-proxy.rst
+++ b/doc/source/security/kubernetes/connect-to-container-registries-through-a-firewall-or-proxy.rst
@@ -18,17 +18,19 @@ otherwise inaccessible behind a firewall or proxy.
 
         .. code-block:: none
 
-            ~(keystone_user)$ system service-parameter-modify platform docker http_proxy http://<my.proxy.com>:1080
-            ~(keystone_user)$ system service-parameter-apply platform
+            ~(keystone_user)$ system service-parameter-add docker proxy http_proxy=http://<my.proxy.com>:1080
+            ~(keystone_user)$ system service-parameter-apply docker
 
     -   To allow access over HTTPS:
 
         .. code-block:: none
 
-            ~(keystone_user)$ system service-parameter-modify platform docker https_proxy https://<my.proxy.com>:1443
-            ~(keystone_user)$ system service-parameter-apply platform
+            ~(keystone_user)$ system service-parameter-add docker proxy https_proxy=https://<my.proxy.com>:1443
+            ~(keystone_user)$ system service-parameter-apply docker
 
 
+    If the service parameters "http_proxy" and/or "https_proxy" already exist,
+    use `service-parameter-modify` instead of `service-parameter-add`.
     Substitute the correct value for <my.proxy.com>.
 
 #.  If you access registries that are not on the other side of the
@@ -42,7 +44,8 @@ otherwise inaccessible behind a firewall or proxy.
 
     .. code-block:: none
 
-        ~(keystone_user)$ system service-parameter-modify platform docker no_proxy: 1.2.3.4, 5.6.7.8
-        ~(keystone_user)$ system service-parameter-apply platform
-
+        ~(keystone_user)$ system service-parameter-add docker proxy no_proxy="1.2.3.4,5.6.7.8"
+        ~(keystone_user)$ system service-parameter-apply docker
 
+    If the service parameter "no_proxy" already exists, use
+    `service-parameter-modify` instead of `service-parameter-add`.