Minor README fixes

Change-Id: Id564f80c3e5399f8602964376f7fd55449fcbd55
diff --git a/README.md b/README.md
index 169f442..09a47c3 100644
--- a/README.md
+++ b/README.md
@@ -92,8 +92,8 @@
 
 The ONOS configuration is defined in two separate variables in the value file:
 
-- `onos.netcfg`: multiline text (json)
-- `onos.componentConfig`: yaml list of component name and multiline text
+- `onos-classic.config.netcfg`: multiline text (json)
+- `onos-classic.config.componentConfig`: yaml list of component name and multiline text
 
 Being the content of the configuration multiline text is not possible to override the configuration via `--set` it's
 necessary to create a custom value file with your content and install the chart with:
@@ -139,8 +139,8 @@
 helm upgrade --install --create-namespace \
   -n voltha1 voltha1 onf/voltha-stack \
   --set global.stack_name=voltha1 \
-  --set voltha_infra_name=voltha-infra \
-  --set voltha_infra_namespace=infra
+  --set global.voltha_infra_name=voltha-infra \
+  --set global.voltha_infra_namespace=infra
 ```
 
 > _We suggest to keep VOLTHA separated by deploying them in different namespaces._
@@ -150,8 +150,8 @@
 > helm upgrade --install --create-namespace \
 >  -n voltha2 voltha2 onf/voltha-stack \
 >  --set global.stack_name=voltha2 \
->  --set voltha_infra_name=voltha-infra \
->  --set voltha_infra_namespace=infra
+>  --set global.voltha_infra_name=voltha-infra \
+>  --set global.voltha_infra_namespace=infra
 > ```
 
 If you add a different number of ONOS you need also to tell the `ofagent` to connect to all of them
@@ -160,8 +160,8 @@
 helm upgrade --install --create-namespace \
   -n voltha1 voltha1 onf/voltha-stack \
   --set global.stack_name=voltha1 \
-  --set voltha_infra_name=voltha-infra \
-  --set voltha_infra_namespace=infra \
+  --set global.voltha_infra_name=voltha-infra \
+  --set global.voltha_infra_namespace=infra \
   --set voltha.onos_classic.replicas=3
 ```
 
@@ -171,8 +171,8 @@
 helm upgrade --install --create-namespace \
   -n voltha1 --version 2.8.0 voltha1 onf/voltha-stack \
   --set global.stack_name=voltha1 \
-  --set voltha_infra_name=voltha-infra \
-  --set voltha_infra_namespace=infra
+  --set global.voltha_infra_name=voltha-infra \
+  --set global.voltha_infra_namespace=infra
 ```
 
 #### Enable tracing in VOLTHA (optional)
@@ -183,8 +183,8 @@
 helm upgrade --install --create-namespace \
   -n voltha1 voltha1 onf/voltha-stack \
   --set global.stack_name=voltha1 \
-  --set voltha_infra_name=voltha-infra \
-  --set voltha_infra_namespace=infra \
+  --set global.voltha_infra_name=voltha-infra \
+  --set global.voltha_infra_namespace=infra \
   --set global.tracing.enabled=true
 ```
 
@@ -198,8 +198,8 @@
 helm upgrade --install --create-namespace \
   -n voltha1 voltha1 onf/voltha-stack \
   --set global.stack_name=voltha1 \
-  --set voltha_infra_name=voltha-infra \
-  --set voltha_infra_namespace=infra \
+  --set global.voltha_infra_name=voltha-infra \
+  --set global.voltha_infra_namespace=infra \
   --set global.log_correlation.enabled=true
 ```
 
@@ -213,8 +213,8 @@
 helm upgrade --install --create-namespace \
   -n voltha1 voltha1 onf/voltha-stack \
   --set global.stack_name=voltha1 \
-  --set voltha_infra_name=voltha-infra \
-  --set voltha_infra_namespace=infra \
+  --set global.voltha_infra_name=voltha-infra \
+  --set global.voltha_infra_namespace=infra \
   --set voltha-adapter-openonu.use_openonu_adapter_go=false
 ```