Issue #2309687 by eiriksm: Fixed Typo in docs for function Testclass::verbose.

core/modules/simpletest/src/TestBase.php

@@ -725,10 +725,10 @@ protected function error($message = '', $group = 'Other', array $caller = NULL)
   }
 
   /**
-   * Logs verbose message in a text file.
+   * Logs a verbose message in a text file.
    *
-   * The a link to the vebose message will be placed in the test results via
-   * as a passing assertion with the text '[verbose message]'.
+   * The link to the verbose message will be placed in the test results as a
+   * passing assertion with the text '[verbose message]'.
    *
    * @param $message
    *   The verbose message to be stored.