diff --git a/wp-admin/includes/upgrade.php b/wp-admin/includes/upgrade.php
index 26122ffeff..9f37efb414 100644
--- a/wp-admin/includes/upgrade.php
+++ b/wp-admin/includes/upgrade.php
@@ -876,7 +876,7 @@ function deslash($content) {
 function dbDelta($queries, $execute = true) {
 	global $wpdb;
 
-	// Seperate individual queries into an array
+	// Separate individual queries into an array
 	if( !is_array($queries) ) {
 		$queries = explode( ';', $queries );
 		if('' == $queries[count($queries) - 1]) array_pop($queries);
diff --git a/wp-includes/class-smtp.php b/wp-includes/class-smtp.php
index 136f82d8a3..dd8b951880 100644
--- a/wp-includes/class-smtp.php
+++ b/wp-includes/class-smtp.php
@@ -249,7 +249,7 @@ class SMTP
      * finializing the mail transaction. $msg_data is the message
      * that is to be send with the headers. Each header needs to be
      * on a single line followed by a <CRLF> with the message headers
-     * and the message body being seperated by and additional <CRLF>.
+     * and the message body being separated by and additional <CRLF>.
      *
      * Implements rfc 821: DATA <CRLF>
      *