fixes

specifications/xpath-functions-40/src/function-catalog.xml

@@ -18710,11 +18710,11 @@ for-each-pair(
 
          <olist>
             <item><p>The <term>sort key function</term> is <code>$keys[$n] otherwise data#1</code>.</p></item>
-            <item><p>The <term>collation</term> is <code>$scollation[$n] otherwise $scollation[last()]
+            <item><p>The <term>collation</term> is <code>$collations[$n] otherwise $collations[last()]
                otherwise default-collation()</code>.
             That is, it is the collation supplied in the corresponding item of the supplied
-             <code>$scollation</code> argument; or in its absence, the last entry in 
-            <code>$scollation</code>; or if <code>$scollation</code> is absent or empty, the
+             <code>$collations</code> argument; or in its absence, the last entry in 
+            <code>$collations</code>; or if <code>$collations</code> is absent or empty, the
             default collation from the static context of the caller.</p></item>
             <item><p>The <term>order direction</term> is 
                <code>$orders[$n] otherwise $orders[last()] otherwise "ascending"</code>.