Docs: Correct some typos in docblocks and inline comments.

This corrects several typos in documentation, including:
- "imput" -> "input"
- "proessing" -> "processing"
- "instantating" -> "instantiating"
- "filtersing" -> "filtering"
- "officaly" -> "officially"

Follow-up to [8852], [25307], [26191], [37488], [54416].

Props benniledl, mukesh27, jayadevankbh, Presskopp.
Fixes #60069. See #59651.

git-svn-id: https://develop.svn.wordpress.org/trunk@57263 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/class-wp-filesystem-ssh2.php

@@ -6,7 +6,7 @@
  *
  * {@link http://kevin.vanzonneveld.net/techblog/article/make_ssh_connections_with_php/ - Installation Notes}
  *
- * Compile libssh2 (Note: Only 0.14 is officaly working with PHP 5.2.6+ right now, But many users have found the latest versions work)
+ * Compile libssh2 (Note: Only 0.14 is officially working with PHP 5.2.6+ right now, But many users have found the latest versions work)
  *
  * cd /usr/src
  * wget https://www.libssh2.org/download/libssh2-0.14.tar.gz

src/wp-admin/includes/class-wp-users-list-table.php

@@ -163,7 +163,7 @@ class WP_Users_List_Table extends WP_List_Table {
 	 * with this table.
 	 *
 	 * Provides a list of roles and user count for that role for easy
-	 * Filtersing of the user table.
+	 * filtering of the user table.
 	 *
 	 * @since 3.1.0
 	 *

src/wp-admin/includes/deprecated.php

@@ -1152,7 +1152,7 @@ function wp_nav_menu_locations_meta_box() {
 /**
  * This was once used to kick-off the Core Updater.
  *
- * Deprecated in favor of instantating a Core_Upgrader instance directly,
+ * Deprecated in favor of instantiating a Core_Upgrader instance directly,
  * and calling the 'upgrade' method.
  *
  * @since 2.7.0
@@ -1174,7 +1174,7 @@ function wp_update_core($current, $feedback = '') {
 /**
  * This was once used to kick-off the Plugin Updater.
  *
- * Deprecated in favor of instantating a Plugin_Upgrader instance directly,
+ * Deprecated in favor of instantiating a Plugin_Upgrader instance directly,
  * and calling the 'upgrade' method.
  * Unused since 2.8.0.
  *