Fix documentation: Missing 'is-hoverable' (#1579)

docs/documentation/elements/table.html

@@ -556,7 +556,7 @@ doc-subtab: table
         <p>You can <strong>combine</strong> all four modifiers.</p>
       </div>
       <div class="column">
-        <code>table is-bordered is-striped is-narrow is-fullwidth</code>
+        <code>table is-bordered is-striped is-narrow is-hoverable is-fullwidth</code>
       </div>
       <div class="column is-half">
         <table class="table is-bordered is-striped is-narrow is-hoverable is-fullwidth">