Fix "array of zero or strings".

Fixes #364.

Author: gkellogg

index.html

@@ -2645,7 +2645,7 @@ <h3>Algorithm</h3>
                       <a data-link-for="JsonLdErrorCode">invalid language-tagged string</a>
                       error has been detected and processing is aborted.
                       <span class="changed">When the {{JsonLdOptions/frameExpansion}} flag is set, <var>value</var>
-                        MAY be an empty <a>map</a> or an array of zero or
+                        MAY be an empty <a>map</a> or an array of zero or more
                         <a>strings</a></span>.</li>
                     <li><span class="changed">
                       Otherwise, set <var>expanded value</var> to <var>value</var>.
@@ -2668,7 +2668,7 @@ <h3>Algorithm</h3>
                       <a data-link-for="JsonLdErrorCode">invalid base direction</a>
                       error has been detected and processing is aborted.
                       When the {{JsonLdOptions/frameExpansion}} flag is set, <var>value</var>
-                      MAY be an empty <a>map</a> or an array of zero or
+                      MAY be an empty <a>map</a> or an array of zero or more
                       <a>strings</a>.</li>
                     <li>Otherwise, set <var>expanded value</var> to <var>value</var>.
                       When the {{JsonLdOptions/frameExpansion}} flag is set,