diff --git a/wp-admin/includes/template.php b/wp-admin/includes/template.php
index 08a366faf0..c658c6ae0d 100644
--- a/wp-admin/includes/template.php
+++ b/wp-admin/includes/template.php
@@ -1483,7 +1483,7 @@ function find_posts_div($found_action = '') {
 ?>
 	<div id="find-posts" class="find-box" style="display: none;">
 		<div id="find-posts-head" class="find-box-head">
-			<?php _e( 'Find Posts or Pages' ); ?>
+			<?php _e( 'Attach to existing content' ); ?>
 			<div id="find-posts-close"></div>
 		</div>
 		<div class="find-box-inside">
diff --git a/wp-admin/upload.php b/wp-admin/upload.php
index 6e089ac86f..c4ed5228cf 100644
--- a/wp-admin/upload.php
+++ b/wp-admin/upload.php
@@ -182,7 +182,7 @@ get_current_screen()->add_help_tab( array(
 'title'		=> __('Overview'),
 'content'	=>
 	'<p>' . __( 'All the files you&#8217;ve uploaded are listed in the Media Library, with the most recent uploads listed first. You can use the Screen Options tab to customize the display of this screen.' ) . '</p>' .
-	'<p>' . __( 'You can narrow the list by file type/status using the text link filters at the top of the screen. You also can refine the list by date using the dropdown menu above the media table.' ) . '</p>' .
+	'<p>' . __( 'You can narrow the list by file type/status or by date using the dropdown menus above the media table.' ) . '</p>' .
 	'<p>' . __( 'You can view your media in a simple visual grid or a list with columns. Switch between these views using the icons to the left above the media.' ) . '</p>'
 ) );
 get_current_screen()->add_help_tab( array(
@@ -235,12 +235,24 @@ if ( ! empty( $_GET['posted'] ) ) {
 }
 
 if ( ! empty( $_GET['attached'] ) && $attached = absint( $_GET['attached'] ) ) {
-	$message = sprintf( _n( 'Reattached %d attachment.', 'Reattached %d attachments.', $attached ), $attached );
+	if ( 1 == $attached ) {
+		$message = __( 'Media attachment reattached.' );
+	} else {
+		/* translators: %s: number of media attachments */
+		$message = _n( '%s media attachment reattached.', '%s media attachments reattached.', $attached );
+	}
+	$message = sprintf( $message, number_format_i18n( $attached ) );
 	$_SERVER['REQUEST_URI'] = remove_query_arg( array( 'detach', 'attached' ), $_SERVER['REQUEST_URI'] );
 }
 
 if ( ! empty( $_GET['detach'] ) && $detached = absint( $_GET['detach'] ) ) {
-	$message = sprintf( _n( 'Detached %d attachment.', 'Detached %d attachments.', $detached ), $detached );
+	if ( 1 == $detached ) {
+		$message = __( 'Media attachment detached.' );
+	} else {
+		/* translators: %s: number of media attachments */
+		$message = _n( '%s media attachment detached.', '%s media attachments detached.', $detached );
+	}
+	$message = sprintf( $message, number_format_i18n( $detached ) );
 	$_SERVER['REQUEST_URI'] = remove_query_arg( array( 'detach', 'attached' ), $_SERVER['REQUEST_URI'] );
 }
 
@@ -248,7 +260,8 @@ if ( ! empty( $_GET['deleted'] ) && $deleted = absint( $_GET['deleted'] ) ) {
 	if ( 1 == $deleted ) {
 		$message = __( 'Media attachment permanently deleted.' );
 	} else {
-		$message = _n( '%d media attachment permanently deleted.', '%d media attachments permanently deleted.', $deleted );
+		/* translators: %s: number of media attachments */
+		$message = _n( '%s media attachment permanently deleted.', '%s media attachments permanently deleted.', $deleted );
 	}
 	$message = sprintf( $message, number_format_i18n( $deleted ) );
 	$_SERVER['REQUEST_URI'] = remove_query_arg(array('deleted'), $_SERVER['REQUEST_URI']);
@@ -258,7 +271,8 @@ if ( ! empty( $_GET['trashed'] ) && $trashed = absint( $_GET['trashed'] ) ) {
 	if ( 1 == $trashed ) {
 		$message = __( 'Media attachment moved to the trash.' );
 	} else {
-		$message = _n( '%d media attachment moved to the trash.', '%d media attachments moved to the trash.', $trashed );
+		/* translators: %s: number of media attachments */
+		$message = _n( '%s media attachment moved to the trash.', '%s media attachments moved to the trash.', $trashed );
 	}
 	$message = sprintf( $message, number_format_i18n( $trashed ) );
 	$message .= ' <a href="' . esc_url( wp_nonce_url( 'upload.php?doaction=undo&action=untrash&ids='.(isset($_GET['ids']) ? $_GET['ids'] : ''), "bulk-media" ) ) . '">' . __('Undo') . '</a>';
@@ -269,7 +283,8 @@ if ( ! empty( $_GET['untrashed'] ) && $untrashed = absint( $_GET['untrashed'] )
 	if ( 1 == $untrashed ) {
 		$message = __( 'Media attachment restored from the trash.' );
 	} else {
-		$message = _n( '%d media attachment restored from the trash.', '%d media attachments restored from the trash.', $untrashed );
+		/* translators: %s: number of media attachments */
+		$message = _n( '%s media attachment restored from the trash.', '%s media attachments restored from the trash.', $untrashed );
 	}
 	$message = sprintf( $message, number_format_i18n( $untrashed ) );
 	$_SERVER['REQUEST_URI'] = remove_query_arg(array('untrashed'), $_SERVER['REQUEST_URI']);
diff --git a/wp-includes/version.php b/wp-includes/version.php
index ac7b554770..c5edb40dc8 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-alpha-1452888852270';
+$wp_version = '4.5-alpha-1452896951889';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.