diff --git a/homeassistant/components/enphase_envoy/strings.json b/homeassistant/components/enphase_envoy/strings.json
index ce3a8593226..e45c746869d 100644
--- a/homeassistant/components/enphase_envoy/strings.json
+++ b/homeassistant/components/enphase_envoy/strings.json
@@ -128,7 +128,7 @@
       "storage_mode": {
         "name": "Storage mode",
         "state": {
-          "self_consumption": "Self consumption",
+          "self_consumption": "Self-consumption",
           "backup": "Full backup",
           "savings": "Savings mode"
         }
@@ -393,7 +393,7 @@
   },
   "exceptions": {
     "unexpected_device": {
-      "message": "Unexpected Envoy serial-number found at {host}; expected {expected_serial}, found {actual_serial}"
+      "message": "Unexpected Envoy serial number found at {host}; expected {expected_serial}, found {actual_serial}"
     },
     "authentication_error": {
       "message": "Envoy authentication failure on {host}: {args}"