diff --git a/lib/editor/htmlarea/coursefiles.php b/lib/editor/htmlarea/coursefiles.php
index f75284850b172..e85ecd3c9a613 100644
--- a/lib/editor/htmlarea/coursefiles.php
+++ b/lib/editor/htmlarea/coursefiles.php
@@ -608,7 +608,7 @@ function printfilelist($filelist) {
 
     foreach ($filelist as $file) {
         if (is_dir($basedir.$file)) {
-            echo "<img src=\"$CFG->pixpath/f/folder.gif\" height=\"16\" width=\"16\" alt=\"\" /> $file<br />";
+            echo "<img src=\"$CFG->pixpath/f/folder.gif\" height=\"16\" width=\"16\" alt=\"".get_string('folder')."\" /> $file<br />";
             $subfilelist = array();
             $currdir = opendir($basedir.$file);
             while (false !== ($subfile = readdir($currdir))) {
@@ -620,7 +620,7 @@ function printfilelist($filelist) {
 
         } else {
             $icon = mimeinfo("icon", $file);
-            echo "<img src=\"$CFG->pixpath/f/$icon\"  height=\"16\" width=\"16\" alt=\"\" /> $file<br />";
+            echo "<img src=\"$CFG->pixpath/f/$icon\"  height=\"16\" width=\"16\" alt=\"".get_string('file')."\" /> $file<br />";
         }
     }
 }
@@ -705,7 +705,7 @@ function displaydir ($wdir) {
         }
         print "<tr>\n<td colspan=\"5\">";
         print "<a href=\"coursefiles.php?id=$id&amp;wdir=$bdir&amp;usecheckboxes=$usecheckboxes\" onclick=\"return reset_value();\">";
-        print "<img src=\"$CFG->wwwroot/lib/editor/htmlarea/images/folderup.gif\" height=\"14\" width=\"24\" border=\"0\" alt=\"Move up\" />";
+        print "<img src=\"$CFG->wwwroot/lib/editor/htmlarea/images/folderup.gif\" height=\"14\" width=\"24\" border=\"0\" alt=\"".get_string('parentfolder')."\" />";
         print "</a></td>\n</tr>\n";
     }
 
@@ -727,7 +727,7 @@ function displaydir ($wdir) {
             if ($usecheckboxes) {
                 print_cell("center", "<input type=\"checkbox\" name=\"file$count\" value=\"$fileurl\" onclick=\"return set_rename('$filesafe');\" />");
             }
-            print_cell("left", "<a href=\"coursefiles.php?id=$id&amp;wdir=$fileurl\" onclick=\"return reset_value();\"><img src=\"$CFG->pixpath/f/folder.gif\" height=\"16\" width=\"16\" border=\"0\" alt=\"folder\" /></a> <a href=\"coursefiles.php?id=$id&amp;wdir=$fileurl&amp;usecheckboxes=$usecheckboxes\" onclick=\"return reset_value();\">".htmlspecialchars($dir)."</a>");
+            print_cell("left", "<a href=\"coursefiles.php?id=$id&amp;wdir=$fileurl\" onclick=\"return reset_value();\"><img src=\"$CFG->pixpath/f/folder.gif\" height=\"16\" width=\"16\" border=\"0\" alt=\"".get_string('folder')."\" /></a> <a href=\"coursefiles.php?id=$id&amp;wdir=$fileurl&amp;usecheckboxes=$usecheckboxes\" onclick=\"return reset_value();\">".htmlspecialchars($dir)."</a>");
             print_cell("right", "&nbsp;");
             print_cell("right", $filedate);