diff --git a/src/option.html b/src/option.html
index 51dd904..cc44288 100644
--- a/src/option.html
+++ b/src/option.html
@@ -8,7 +8,7 @@
     <div id="container">
       <table id="conditions" class="table">
         <tr>
-          <th>Wordspace ID</th>
+          <th>Workspace ID</th>
           <th>Color</th>
           <th></th>
         </tr>