diff --git a/source/ch3_javadatatypes.ptx b/source/ch3_javadatatypes.ptx
index ef3342d..68fd5bf 100644
--- a/source/ch3_javadatatypes.ptx
+++ b/source/ch3_javadatatypes.ptx
@@ -18,6 +18,7 @@
             </p>
 
             <table>
+            <title> Comparison between Java's primitive and object data types.  </title>
                 <tabular>
                     <row header="yes">
                         <cell> Primitive </cell>