docs: Fix typo

docs/output/index.html

@@ -193,5 +193,5 @@ your preference.</p>
 
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-Build Date UTC : 2016-04-19 16:01:55.382019
+Build Date UTC : 2016-04-19 16:09:22.776372
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docs/output/user-types/index.html

@@ -197,7 +197,7 @@ overridden.</p>
 );
 </code></pre>
 
-<p>Parameter 2 and 3 are instances of
+<p>Parameter 3 and 4 are instances of
 <a href="../reference/namespaceluwra.html#a3fbba1f4a5025647470d5942ededa5aa">MemberMap</a>. The <code>LUWRA_MEMBER</code>
 macro generates a <code>std::pair&lt;std::string, Pushable&gt;</code> expression.</p>
 <pre><code class="c++">LUWRA_MEMBER(Point, scale) === {&quot;scale&quot;, LUWRA_WRAP(Point::scale)}