remove trailing space and bump chart version
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 698a3af..ee693f0 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,6 +1,6 @@
# April 7, 2020
- Etcd and Kafka can be installed independently of VOLTHA, with `WITH_ETCD` and/or `WITH_KAFKA` set to `experimental`
-- Separate namespaces can be specified for various components
+- Separate namespaces can be specified for various components
- `VOLTHA_NS` (default: `voltha`) for cores, ofagent, Etcd (yes), Kafka (yes)
- `ADAPTER_NS` (default: `voltha`) for device adapters
- `INFRA_NS` (default: `default`) for RADIUS, ONOS, Etcd (external), Kafka (external)
diff --git a/releases/voltha-2.3 b/releases/voltha-2.3
index 7ef2385..20e2978 100644
--- a/releases/voltha-2.3
+++ b/releases/voltha-2.3
@@ -2,7 +2,7 @@
export VOLTHA_CHART_VERSION=2.3.1
export VOLTHA_BBSIM_CHART_VERSION=3.0.18
-export VOLTHA_ADAPTER_OPEN_OLT_CHART_VERSION=2.3.0
+export VOLTHA_ADAPTER_OPEN_OLT_CHART_VERSION=2.3.1
export VOLTHA_ADAPTER_OPEN_ONU_CHART_VERSION=2.3.0
export ONOS_CHART_VERSION=3.0.1