diff --git a/vocabulary/index.html b/vocabulary/index.html
index c2d391c..022e2dc 100644
--- a/vocabulary/index.html
+++ b/vocabulary/index.html
@@ -974,7 +974,7 @@ <h2>Activity Types</h2>
           <tr>
             <td>Properties:</td>
             <td>
-              Inherits all properties fom
+              Inherits all properties from
               <code><a>IntransitiveActivity</a></code>.
             </td>
           </tr>