Fix assertTrue example in docs
diff --git a/docs/assert.html b/docs/assert.html
index 3bd0c95..e6481d2 100644
--- a/docs/assert.html
+++ b/docs/assert.html
@@ -62,7 +62,7 @@
         <not>
           <equals arg1="${foo}" arg2="bar"/>
         </not>
-      </assertTrue message="foo is bar">
+      </assertTrue>
     </pre>
 
     <hr/>