--- a/spec/latest/json-ld-api/index.html	Wed Jan 16 14:29:19 2013 -0500
+++ b/spec/latest/json-ld-api/index.html	Thu Jan 17 11:54:57 2013 -0500
@@ -1090,7 +1090,7 @@
                   <em>definition</em> to the lowercased <em>val</em>. If <em>val</em> is neither a
                   <tref>string</tref> nor <tref>null</tref>, raise an
                   <code class="error">invalid language mapping</code> error.</li>
-                <li>f <em>value</em> has an <code>@container</code> member with a value <em>val</em> that
+                <li>If <em>value</em> has an <code>@container</code> member with a value <em>val</em> that
                   equals <code>@list</code>, <code>@set</code>, or <code>@annotation</code>, set the
                   <tref>container mapping</tref> of <em>definition</em> to <em>val</em>.
                   If <em>val</em> is not one of those values, raise an