Index: src/wp-admin/includes/deprecated.php
===================================================================
--- src/wp-admin/includes/deprecated.php	(revision 37083)
+++ src/wp-admin/includes/deprecated.php	(working copy)
@@ -1175,7 +1175,7 @@
 /**
  * This was once used to kick-off the Theme Updater.
  *
- * Deprecated in favor of instantating a Theme_Upgrader instance directly,
+ * Deprecated in favor of instantiating a Theme_Upgrader instance directly,
  * and calling the 'upgrade' method.
  * Unused since 2.8.0.
  *
Index: src/wp-admin/includes/media.php
===================================================================
--- src/wp-admin/includes/media.php	(revision 37083)
+++ src/wp-admin/includes/media.php	(working copy)
@@ -111,7 +111,7 @@
  * @param string       $title   Image title attribute.
  * @param string       $align   Image CSS alignment property.
  * @param string       $url     Optional. Image src URL. Default empty.
- * @param bool|string  $rel     Optional. Value for rel attribute or whether to add a dafault value. Default false.
+ * @param bool|string  $rel     Optional. Value for rel attribute or whether to add a default value. Default false.
  * @param string|array $size    Optional. Image size. Accepts any valid image size, or an array of width
  *                              and height values in pixels (in that order). Default 'medium'.
  * @param string       $alt     Optional. Image alt attribute. Default empty.
Index: src/wp-admin/js/postbox.js
===================================================================
--- src/wp-admin/js/postbox.js	(revision 37083)
+++ src/wp-admin/js/postbox.js	(working copy)
@@ -110,7 +110,7 @@
 				tolerance: 'pointer',
 				forcePlaceholderSize: true,
 				helper: function( event, element ) {
-					// `helper: 'clone'` is equilavalent to `return element.clone();`
+					// `helper: 'clone'` is equivalent to `return element.clone();`
 					// Cloning a checked radio and then inserting that clone next to the original
 					// radio unchecks the original radio (since only one of the two can be checked).
 					// We get around this by renaming the helper's inputs' name attributes so that,