it's => its fixes.

For w3c/json-ld-syntax#221.

Author: gkellogg

index.html

@@ -2675,7 +2675,7 @@ <h3>Algorithm</h3>
         <li class="changed">If <var>element</var> has an <code>@type</code> <a>entry</a>,
           create a new array <var>compacted types</var> initialized
           by transforming each <var>expanded type</var> of that <a>entry</a>
-          into it's compacted form using the <a href="#iri-compaction">IRI Compaction algorithm</a>,
+          into its compacted form using the <a href="#iri-compaction">IRI Compaction algorithm</a>,
           passing <var>active context</var>, <var>inverse context</var>,
           <var>expanded type</var> for <var>var</var>, <code>true</code> for <var>vocab</var>,
           and <code>false</code> for <var>propagate</var>.