diff --git a/NEWS b/NEWS
index e83b3cd0..d21ff98d 100644
--- a/NEWS
+++ b/NEWS
@@ -11,6 +11,7 @@ NEWS ( CHANGELOG and HISTORY )                                     HTMLPurifier
 
 3.1.0, unknown release date
 - InterchangeBuilder now alphabetizes its lists
+- Validation error in configdoc output fixed
 . Out-of-date documentation revised
 
 3.1.0rc1, released 2008-04-22
diff --git a/configdoc/styles/plain.xsl b/configdoc/styles/plain.xsl
index 72e4c8b8..99a108fd 100644
--- a/configdoc/styles/plain.xsl
+++ b/configdoc/styles/plain.xsl
@@ -227,7 +227,7 @@
         </tr>
     </xsl:template>
     <xsl:template match="constraints/external/project">
-        <xsl:value-of select="." />
+        <li><xsl:value-of select="." /></li>
     </xsl:template>
     
 </xsl:stylesheet>