diff --git a/doc/src/sgml/textsearch.sgml b/doc/src/sgml/textsearch.sgml
index ca1e72dd89c..7e0b7e44f14 100644
--- a/doc/src/sgml/textsearch.sgml
+++ b/doc/src/sgml/textsearch.sgml
@@ -1563,7 +1563,7 @@ SELECT to_tsquery('fat') <-> to_tsquery('cat | rat');
      <listitem>
       <para>
        Returns a query that searches for a match to the first given query
-       followed by a match to the second given query at a distance of at
+       followed by a match to the second given query at a distance of exactly
        <replaceable>distance</replaceable> lexemes, using
        the <literal>&lt;<replaceable>N</>&gt;</literal>
        <type>tsquery</> operator.  For example: