Index: src/wp-admin/includes/post.php
===================================================================
--- src/wp-admin/includes/post.php	(revision 46092)
+++ src/wp-admin/includes/post.php	(working copy)
@@ -1021,7 +1021,7 @@
 //
 
 /**
- * Replace hrefs of attachment anchors with up-to-date permalinks.
+ * Replace hrefs of attachment anchors with up to date permalinks.
  *
  * @since 2.3.0
  * @access private
Index: src/wp-admin/includes/upgrade.php
===================================================================
--- src/wp-admin/includes/upgrade.php	(revision 46092)
+++ src/wp-admin/includes/upgrade.php	(working copy)
@@ -630,7 +630,7 @@
 
 		$wp_current_db_version = __get_option( 'db_version' );
 
-		// We are up-to-date. Nothing to do.
+		// We are up to date. Nothing to do.
 		if ( $wp_db_version == $wp_current_db_version ) {
 			return;
 		}
@@ -687,7 +687,7 @@
 	global $wp_current_db_version, $wp_db_version;
 	$wp_current_db_version = __get_option( 'db_version' );
 
-	// We are up-to-date. Nothing to do.
+	// We are up to date. Nothing to do.
 	if ( $wp_db_version == $wp_current_db_version ) {
 		return;
 	}
Index: src/wp-admin/upgrade.php
===================================================================
--- src/wp-admin/upgrade.php	(revision 46092)
+++ src/wp-admin/upgrade.php	(working copy)
@@ -73,7 +73,7 @@
 <?php if ( get_option( 'db_version' ) == $wp_db_version || ! is_blog_installed() ) : ?>
 
 <h1><?php _e( 'No Update Required' ); ?></h1>
-<p><?php _e( 'Your WordPress database is already up-to-date!' ); ?></p>
+<p><?php _e( 'Your WordPress database is already up to date!' ); ?></p>
 <p class="step"><a class="button button-large" href="<?php echo get_option( 'home' ); ?>/"><?php _e( 'Continue' ); ?></a></p>
 
 	<?php