diff --git a/packages/fx-core/resource/package.nls.json b/packages/fx-core/resource/package.nls.json
index 9b4d7a05f5..b375b15012 100644
--- a/packages/fx-core/resource/package.nls.json
+++ b/packages/fx-core/resource/package.nls.json
@@ -701,42 +701,40 @@
   "driver.teamsApp.progressBar.publishTeamsAppStep2.2": "Publishing Teams app...",
   "driver.teamsApp.progressBar.validateWithTestCases": "Submitting validation request...",
   "driver.teamsApp.progressBar.validateWithTestCases.step": "Validation request submitted, status: %s. You will be notified when the result is ready or you can check all your validation records in [Teams Developer Portal](%s).",
-  "driver.teamsApp.progressBar.validateWithTestCases.conflict": "A validation is currently in progress, please submit later. You can find this existing validation in [Teams Developer Portal](%s).",
+  "driver.teamsApp.progressBar.validateWithTestCases.conflict": "Validation is in progress, please submit later. You can find existing validation in [Teams Developer Portal](%s).",
   "driver.teamsApp.summary.createTeamsAppAlreadyExists": "Teams app with id %s already exists, skipped creating a new Teams app.",
   "driver.teamsApp.summary.publishTeamsAppExists": "Teams app with id %s already exists in the organization's app store.",
-  "driver.teamsApp.summary.publishTeamsAppNotExists": "Teams app with id %s does not exist in the organization's app store.",
-  "driver.teamsApp.summary.publishTeamsAppSuccess": "Teams app %s successfully published to the admin portal.",
-  "driver.teamsApp.summary.copyAppPackageSuccess": "Teams app %s was successfully copied to %s.",
-  "driver.teamsApp.summary.copyIconSuccess": "%s icon(s) were successfully updated under %s.",
-  "driver.teamsApp.summary.validate": "Teams Toolkit has checked against all validation rules:\n\nSummary:\n%s.\n%s%s\n%s\n\nA complete log of validations can be found in %s",
-  "driver.teamsApp.summary.validate.checkPath": "You can check and update your Teams app package at %s.\n",
-  "driver.teamsApp.summary.validateManifest": "Teams Toolkit has checked manifest(s) with the corresponding schema:\n\nSummary:\n%s.",
-  "driver.teamsApp.summary.validateTeamsManifest.checkPath": "You can check and update your Teams manifest at %s.",
-  "driver.teamsApp.summary.validateDeclarativeCopilotManifest.checkPath": "You can check and update your Declarative Copilot manifest at %s.",
-  "driver.teamsApp.summary.validatePluginManifest.checkPath": "You can check and update your Copilot Plugin manifest at %s.",
-  "driver.teamsApp.summary.validate.succeed": "%s passed",
-  "driver.teamsApp.summary.validate.failed": "%s failed",
+  "driver.teamsApp.summary.publishTeamsAppNotExists": "Teams app with id %s doesn't exist in the organization's app store.",
+  "driver.teamsApp.summary.publishTeamsAppSuccess": "Teams app %s published to admin portal.",
+  "driver.teamsApp.summary.copyAppPackageSuccess": "Teams app %s copied to %s.",
+  "driver.teamsApp.summary.copyIconSuccess": "%s icon(s) updated under %s.",
+  "driver.teamsApp.summary.validate": "Teams Toolkit has checked against all validation rules:\n\nSummary:\n%s.\n%s%s\n%s\n\nA find complete log of validations in %s",
+  "driver.teamsApp.summary.validate.checkPath": "Check and update your Teams app package at %s.\n",
+  "driver.teamsApp.summary.validateManifest": "Teams Toolkit has checked manifest with its schema:\n\nSummary:\n%s.\n%s%s\n",
+  "driver.teamsApp.summary.validateManifest.checkPath": "Check and update your Teams manifest at %s.\n",
+  "driver.teamsApp.summary.validate.succeed": "%s successful",
+  "driver.teamsApp.summary.validate.failed": "%s unsuccessful",
   "driver.teamsApp.summary.validate.warning": "%s warning",
   "driver.teamsApp.summary.validate.skipped": "%s skipped",
   "driver.teamsApp.summary.validate.all": "All",
-  "driver.teamsApp.summary.validateWithTestCases": "Validation request completed, status: %s. \n\nSummary:\n%s. View the result from: %s.%s",
+  "driver.teamsApp.summary.validateWithTestCases": "Validation request completed, status: %s. \n\nSummary:\n%s. View the result in: %s.%s",
   "driver.teamsApp.summary.validateWithTestCases.result": "Validation request completed, status: %s. %s. Check [Output panel](command:fx-extension.showOutputChannel) for details.",
   "driver.teamsApp.summary.validateWithTestCases.result.detail": "%s Validation title: %s. Message: %s",
   "driver.teamsApp.validate.result": "Teams Toolkit has completed checking your app package against validation rules. %s.",
   "driver.teamsApp.validate.result.display": "Teams Toolkit has completed checking your app package against validation rules. %s. Check [Output panel](command:fx-extension.showOutputChannel) for details.",
-  "error.teamsApp.validate.apiFailed": "Teams app package validation failed due to  %s",
-  "error.teamsApp.validate.apiFailed.display": "Teams app pacakge validation failed. Check [Output panel](command:fx-extension.showOutputChannel) for details.",
+  "error.teamsApp.validate.apiFailed": "Teams app package validation is unsuccessful due to  %s",
+  "error.teamsApp.validate.apiFailed.display": "Teams app pacakge validation is unsuccessful. Check [Output panel](command:fx-extension.showOutputChannel) for details.",
   "error.teamsApp.validate.details": "File path: %s, title: %s",
-  "error.teamsApp.AppIdNotExistError": "Teams app with ID %s does not exist in Teams Developer Portal.",
-  "error.teamsApp.InvalidAppIdError": "Teams app ID %s is invalid, must be a GUID.",
+  "error.teamsApp.AppIdNotExistError": "Teams app with ID %s doesn't exist in Teams Developer Portal.",
+  "error.teamsApp.InvalidAppIdError": "Teams app ID %s is invalid, needs to be a GUID.",
   "error.teamsApp.createAppPackage.invalidFile": "%s is invalid, it should be in the same directory as manifest.json or a subdirectory of it.",
   "driver.botFramework.description": "creates or updates the bot registration on dev.botframework.com",
-  "driver.botFramework.summary.create": "The bot registration has been created successfully (%s).",
-  "driver.botFramework.summary.update": "The bot registration has been updated successfully (%s).",
+  "driver.botFramework.summary.create": "Bot registration created successfully (%s).",
+  "driver.botFramework.summary.update": "Bot registration updated successfully (%s).",
   "driver.botFramework.progressBar.createOrUpdateBot": "Creating or updating bot registration.",
-  "driver.botFramework.error.InvalidBotId": "Bot ID %s is invalid. It must be a GUID.",
+  "driver.botFramework.error.InvalidBotId": "Bot ID %s is invalid. It needs to be a GUID.",
   "error.yaml.InvalidYamlSchemaError": "Unable to parse yaml file: %s. Please open the yaml file for detailed errors.",
-  "error.yaml.InvalidYamlSchemaErrorWithReason": "Unable to parse yaml file: %s. Reason: %s Please review the yaml file or upgrade to the latest Teams Toolkit.",
+  "error.yaml.InvalidYamlSchemaErrorWithReason": "Unable to parse yaml file: %s. Reason: %s Review the yaml file or upgrade to the latest Teams Toolkit.",
   "error.yaml.VersionNotSupported": "version %s is not supported. Supported versions: %s.",
   "error.yaml.YamlFieldTypeError": "Field '%s' should have %s type, yaml file: %s",
   "error.yaml.YamlFieldMissingError": "Field '%s' is missing, yaml file: %s",