diff --git a/dtd/c3d2web.dtd b/dtd/c3d2web.dtd
index 98dae6eb9..24f32c026 100644
--- a/dtd/c3d2web.dtd
+++ b/dtd/c3d2web.dtd
@@ -1,7 +1,7 @@
 <!ENTITY % URI "CDATA">
     <!-- a Uniform Resource Identifier, see [RFC2396] -->
 
-<!ENTITY % Inline "(#PCDATA | link | em | image )*">
+<!ENTITY % Inline "(#PCDATA | link | em | strong | image )*">
 <!ENTITY % Block "p|pre|dl|ul|ol|news-list">
 
 <!ELEMENT page ((news)|(%Block;)*)>