Fix a typo
diff --git a/fonts.dtd b/fonts.dtd
index 2323c46..d0e1700 100644
--- a/fonts.dtd
+++ b/fonts.dtd
@@ -114,7 +114,8 @@
 <!--
     Map a font path as the path "as-path"
 -->
-<!ELEMENT remap-dir
+<!ELEMENT remap-dir (#PCDATA)>
+<!ATTLIST remap-dir
           as-path   CDATA                       #REQUIRED
           prefix    (default|xdg|relative|cwd)  "default"
 	  xml:space (default|preserve)          "preserve">