diff --git a/dev/translation/sanity_check_en_langfiles.php b/dev/translation/sanity_check_en_langfiles.php
index f65cefd7f94..2eedcda8760 100755
--- a/dev/translation/sanity_check_en_langfiles.php
+++ b/dev/translation/sanity_check_en_langfiles.php
@@ -295,6 +295,9 @@ if ((! empty($_REQUEST['unused']) && $_REQUEST['unused'] == 'true') || (isset($a
 	    if (preg_match('/^DescADHERENT_/', $value)) $qualifiedforclean=0;
 	    if (preg_match('/^SubmitTranslation/', $value)) $qualifiedforclean=0;
 	    if (preg_match('/^ModuleCompanyCode/', $value)) $qualifiedforclean=0;
+	    // admin.lang
+	    if (preg_match('/^DAV_ALLOW_PUBLIC_DIR/i', $value)) $qualifiedforclean=0;
+	    if (preg_match('/^DAV_ALLOW_ECM_DIR/i', $value)) $qualifiedforclean=0;
 	    // boxes.lang
 	    if (preg_match('/^BoxTitleLast/', $value)) $qualifiedforclean=0;
 	    if (preg_match('/^BoxTitleLatest/', $value)) $qualifiedforclean=0;
diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index 41554cfd45d..16ca7cc7201 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -477,6 +477,8 @@ davDescription=Add a component to be a DAV server
 DAVSetup=Setup of module DAV
 DAV_ALLOW_PUBLIC_DIR=Enable the public directory (WebDav directory with no login required)
 DAV_ALLOW_PUBLIC_DIRTooltip=The WebDav public directory is a WebDAV directory everybody can access to (in read and write mode), with no need to have/use an existing login/password account.
+DAV_ALLOW_ECM_DIR=Enable the root directy of DMS/ECM module (login required)
+DAV_ALLOW_ECM_DIRTooltip=The root directory where all files are manually uploaded when using the DMS/ECM module. Like for the feature from the web interface, you will need a valid login/password with granted permissions to access it.
 # Modules
 Module0Name=Users & Groups
 Module0Desc=Users / Employees and Groups management