sccope => scope.

Fixes #229.

Author: gkellogg

index.html

@@ -604,7 +604,7 @@ <h2>Syntax Tokens and Keywords</h2>
       <dt class="changed"><code>:</code></dt><dd class="changed">
         The separator for JSON keys and values that use <a>compact IRIs</a>.</dd>
       <dt class="changed">`@propagate`</dt><dd class="changed">
-        Used in a <a>context definition</a> to change the sccope of that context.
+        Used in a <a>context definition</a> to change the scope of that context.
         By default, it is `true`,
         meaning that contexts propagate across <a>node objects</a>
         (other than for <a>type-scoped contexts</a>, which default to `false`).