diff --git a/core/model/SiteTree.php b/core/model/SiteTree.php
index 1507b017c..35cb05892 100644
--- a/core/model/SiteTree.php
+++ b/core/model/SiteTree.php
@@ -1132,7 +1132,7 @@ class SiteTree extends DataObject {
 						new TextField("MenuTitle", $this->fieldLabel('MenuTitle')),
 						new HtmlEditorField("Content", _t('SiteTree.HTMLEDITORTITLE', "Content", PR_MEDIUM, 'HTML editor title'))
 					),
-					$tabMeta = new Tab('Meta-data',
+					$tabMeta = new Tab('Metadata',
 						new FieldGroup(_t('SiteTree.URL', "URL"),
 							new LabelField('BaseUrlLabel',Director::absoluteBaseURL()),
 							new UniqueRestrictedTextField("URLSegment",
@@ -1221,7 +1221,7 @@ class SiteTree extends DataObject {
 		
 		$tabContent->setTitle(_t('SiteTree.TABCONTENT', "Content"));
 		$tabMain->setTitle(_t('SiteTree.TABMAIN', "Main"));
-		$tabMeta->setTitle(_t('SiteTree.TABMETA', "Meta-data"));
+		$tabMeta->setTitle(_t('SiteTree.TABMETA', "Metadata"));
 		$tabBehaviour->setTitle(_t('SiteTree.TABBEHAVIOUR', "Behaviour"));
 		$tabReports->setTitle(_t('SiteTree.TABREPORTS', "Reports"));
 		$tabAccess->setTitle(_t('SiteTree.TABACCESS', "Access"));
diff --git a/lang/en_US.php b/lang/en_US.php
index 56dc13e33..6ebf98a24 100644
--- a/lang/en_US.php
+++ b/lang/en_US.php
@@ -738,7 +738,7 @@ $lang['en_US']['SiteTree']['TABBACKLINKS'] = 'BackLinks';
 $lang['en_US']['SiteTree']['TABBEHAVIOUR'] = 'Behaviour';
 $lang['en_US']['SiteTree']['TABCONTENT'] = 'Content';
 $lang['en_US']['SiteTree']['TABMAIN'] = 'Main';
-$lang['en_US']['SiteTree']['TABMETA'] = 'Meta-data';
+$lang['en_US']['SiteTree']['TABMETA'] = 'Metadata';
 $lang['en_US']['SiteTree']['TABREPORTS'] = 'Reports';
 $lang['en_US']['SiteTree']['TODOHELP'] = '<p>You can use this to keep track of work that needs to be done to the content of your site.  To see all your pages with to do information, open the \'Site Reports\' window on the left and select \'To Do\'</p>';
 $lang['en_US']['SiteTree']['TOPLEVEL'] = 'Site Content (Top Level)';