diff --git wp-admin/includes/class-wp-plugin-install-list-table.php wp-admin/includes/class-wp-plugin-install-list-table.php
index d78f4e7..d8912ad 100644
--- wp-admin/includes/class-wp-plugin-install-list-table.php
+++ wp-admin/includes/class-wp-plugin-install-list-table.php
@@ -37,7 +37,22 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 
 		$nonmenu_tabs = array( 'plugin-information' ); //Valid actions to perform which do not have a Menu item.
 
+		/**
+		 * Filter the tabs that are shown on the page.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param array $tabs The tabs which are shown on the page.
+		 */
 		$tabs = apply_filters( 'install_plugins_tabs', $tabs );
+
+		/**
+		 * Filter the $nonmenu_tabs.
+		 *
+		 * @since 2.7.0
+		 *
+		 * @param array $nonmenu_tabs Valid actions to perform which do not have a Menu item.
+		 */
 		$nonmenu_tabs = apply_filters( 'install_plugins_nonmenu_tabs', $nonmenu_tabs );
 
 		// If a non-valid menu tab has been selected, And it's not a non-menu action.
@@ -88,6 +103,13 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 				break;
 		}
 
+		/**
+		 * Filter the arguments for the Plugin API request for the $tab.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param array|bool $args Plugin API arguments.
+		 */
 		$args = apply_filters( 'install_plugins_table_api_args_' . $tab, $args );
 
 		if ( !$args )
@@ -127,7 +149,13 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 		if ( 'top' ==  $which ) { ?>
 			<div class="tablenav top">
 				<div class="alignleft actions">
-					<?php do_action( 'install_plugins_table_header' ); ?>
+					<?php
+					/**
+					 * Fires before table header pagination is displayed.
+					 *
+					 * @since 2.7.0
+					 */
+					do_action( 'install_plugins_table_header' ); ?>
 				</div>
 				<?php $this->pagination( $which ); ?>
 				<br class="clear" />
@@ -221,6 +249,14 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 				}
 			}
 
+			/**
+			 * Filter the install action links for the plugin.
+			 *
+			 * @since 2.7.0
+			 *
+			 * @param array $action_links List of action links.
+			 * @param array $plugin       The plugin currently being listed.
+			 */
 			$action_links = apply_filters( 'plugin_install_action_links', $action_links, $plugin );
 		?>
 		<tr>