Php Tooling Strings changes (#14688)

* Php Tooling Strings changes

* Addressed review comments

Author: niteskum

src/nls/root/strings.js

@@ -880,7 +880,7 @@ define({
     ///String for Php Tooling Extensions
     "PHP_VERSION_INVALID"                            : "Error parsing PHP version. Please check the output of the “php –version” command.",
     "PHP_UNSUPPORTED_VERSION"                        : "Install PHP7 runtime for enabling PHP-related tooling such as Code Hints, Parameter Hints, Jump To Definition and more. Version found: {0}",
-    "PHP_EXECUTABLE_NOT_FOUND"                       : "PHP runtime not found. Install PHP7 runtime and set the path to system PATH or executablePath in php Preferences appropriately.",
+    "PHP_EXECUTABLE_NOT_FOUND"                       : "PHP runtime not found. Install the PHP7 runtime and update “executablePath” in PHP Preferences appropriately. This enables PHP-related tooling such as Code Hints, Parameter Hints, Jump To Definition and more.",
     "PHP_PROCESS_SPAWN_ERROR"                        : "Error code {0} encountered while starting the PHP process.",
     "PHP_SERVER_ERROR_TITLE"                         : "Error",
     "PHP_SERVER_MEMORY_LIMIT_INVALID"                : "The memory limit you provided is invalid. Review the PHP preferences to set the correct value.",