commit c86fcf847f66f76ce0ce3181b03ef0d14a6a3605
Author: Joel Pittet <joel@pittet.ca>
Date:   Tue Aug 4 09:53:11 2015 -0700

    typo fix

diff --git a/core/includes/bootstrap.inc b/core/includes/bootstrap.inc
index ecb4c1d..3d97914 100644
--- a/core/includes/bootstrap.inc
+++ b/core/includes/bootstrap.inc
@@ -617,8 +617,8 @@ function drupal_get_messages($type = NULL, $clear_queue = TRUE) {
         // the messages also needs to be stored in the session. We retrieve the
         // safe status here and determine whether to mark the string as safe or
         // let autoescape do its thing. See drupal_set_message().
-        // It's only nessasary to set the message as 'safe' when the message is
-        // not a renderable array.
+        // It's only necessary to set the message as 'safe' when the message is
+        // not a render array.
         if ($message['safe']) {
           $message['message'] = SafeMarkup::set($message['message']);
         }