Update spec/index.html

Co-authored-by: Olaf Hartig <[email protected]>

Author: afs

spec/index.html

@@ -5862,7 +5862,7 @@ <h5>sameValue</h5>
                 If <code>term1</code> and <code>term2</code> are both 
                 <a data-cite="RDF12-CONCEPTS#dfn-triple-term">triple terms</a>,
                 apply the function `sameValue` pair-wise to each of the components.
-                Return TRUE if each component pair returns TRUE, otherise return FALSE.
+                Return TRUE if each component pair returns TRUE, otherwise return FALSE.
               </li>
               <li>Otherwise, return FALSE.</li>
             </ol>