diff --git a/data/tips/gimp-tips.dtd b/data/tips/gimp-tips.dtd
index eb4f286908..afa923c601 100644
--- a/data/tips/gimp-tips.dtd
+++ b/data/tips/gimp-tips.dtd
@@ -9,8 +9,11 @@
 <!ENTITY % markup "(#PCDATA|b|big|tt)*">
 
 <!ELEMENT b %markup;>
+<!ATTLIST b xml:lang CDATA #IMPLIED>
 <!ELEMENT big %markup;>
+<!ATTLIST big xml:lang CDATA #IMPLIED>
 <!ELEMENT tt %markup;>
+<!ATTLIST tt xml:lang CDATA #IMPLIED>
 
 <!ELEMENT thetip %markup;>
 <!ATTLIST thetip xml:lang CDATA #IMPLIED>