MDL-32323 improve inline docs

lib/phpunit/bootstraplib.php

@@ -63,7 +63,7 @@ function phpunit_bootstrap_error($errorcode, $text = '') {
             break;
     }
     if (defined('PHPUNIT_UTIL') and PHPUNIT_UTIL) {
-        // do not write to error stream because we need the error message in PHP exec from web ui
+        // do not write to error stream because we need the error message in PHP exec result from web ui
         echo($text."\n");
     } else {
         fwrite(STDERR, $text."\n");
@@ -103,4 +103,4 @@ function phpunit_boostrap_fix_file_permissions($file) {
     }
 
     return true;
-}
+}