diff --git a/homeassistant/components/smlight/config_flow.py b/homeassistant/components/smlight/config_flow.py
index 98da153ce751d2..e8984300ff15bc 100644
--- a/homeassistant/components/smlight/config_flow.py
+++ b/homeassistant/components/smlight/config_flow.py
@@ -139,10 +139,6 @@ async def async_step_reauth(
             self.context["entry_id"]
         )
         host = entry_data[CONF_HOST]
-        self.context["title_placeholders"] = {
-            "host": host,
-            "name": entry_data.get(CONF_USERNAME, "unknown"),
-        }
         self.client = Api2(host, session=async_get_clientsession(self.hass))
         self.host = host
 
@@ -166,7 +162,8 @@ async def async_step_reauth_confirm(
                 assert self._reauth_entry is not None
 
                 return self.async_update_reload_and_abort(
-                    self._reauth_entry, data={**user_input, CONF_HOST: self.host}
+                    self._reauth_entry,
+                    data={**self._reauth_entry.data, **user_input},
                 )
 
         return self.async_show_form(
@@ -197,4 +194,5 @@ async def _async_complete_entry(
             user_input[CONF_HOST] = self.host
 
         assert info.model is not None
-        return self.async_create_entry(title=info.model, data=user_input)
+        title = self.context.get("title_placeholders", {}).get(CONF_NAME) or info.model
+        return self.async_create_entry(title=title, data=user_input)
diff --git a/homeassistant/components/smlight/strings.json b/homeassistant/components/smlight/strings.json
index 7e17a53a38a6cd..bca42f642b72c4 100644
--- a/homeassistant/components/smlight/strings.json
+++ b/homeassistant/components/smlight/strings.json
@@ -19,7 +19,7 @@
       },
       "reauth_confirm": {
         "title": "[%key:common::config_flow::title::reauth%]",
-        "description": "Please enter the correct username and password for host: {host}",
+        "description": "Please enter the correct username and password",
         "data": {
           "username": "[%key:common::config_flow::data::username%]",
           "password": "[%key:common::config_flow::data::password%]"
diff --git a/tests/components/smlight/test_config_flow.py b/tests/components/smlight/test_config_flow.py
index fb07e29edd486a..dae727c7a29651 100644
--- a/tests/components/smlight/test_config_flow.py
+++ b/tests/components/smlight/test_config_flow.py
@@ -91,7 +91,7 @@ async def test_zeroconf_flow(
     assert result2["type"] is FlowResultType.CREATE_ENTRY
     assert result2["context"]["source"] == "zeroconf"
     assert result2["context"]["unique_id"] == "aa:bb:cc:dd:ee:ff"
-    assert result2["title"] == "SLZB-06p7"
+    assert result2["title"] == "slzb-06"
     assert result2["data"] == {
         CONF_HOST: MOCK_HOST,
     }
@@ -143,7 +143,7 @@ async def test_zeroconf_flow_auth(
     assert result3["type"] is FlowResultType.CREATE_ENTRY
     assert result3["context"]["source"] == "zeroconf"
     assert result3["context"]["unique_id"] == "aa:bb:cc:dd:ee:ff"
-    assert result3["title"] == "SLZB-06p7"
+    assert result3["title"] == "slzb-06"
     assert result3["data"] == {
         CONF_USERNAME: MOCK_USERNAME,
         CONF_PASSWORD: MOCK_PASSWORD,
@@ -356,7 +356,7 @@ async def test_zeroconf_legacy_mac(
     assert result2["type"] is FlowResultType.CREATE_ENTRY
     assert result2["context"]["source"] == "zeroconf"
     assert result2["context"]["unique_id"] == "aa:bb:cc:dd:ee:ff"
-    assert result2["title"] == "SLZB-06p7"
+    assert result2["title"] == "slzb-06"
     assert result2["data"] == {
         CONF_HOST: MOCK_HOST,
     }