--- a/src/doc/user/usermanual.xml
+++ b/src/doc/user/usermanual.xml
@@ -3185,11 +3185,10 @@
not
(<replaceable>word1</replaceable> AND
<replaceable>word2</replaceable>) <literal>OR</literal>
- <replaceable>word3</replaceable>. Explicit
- parenthesis are <emphasis>not</emphasis> supported.</para>
-
- <para>As of &RCL; 1.21, you can use parentheses to group
- elements, which will sometimes make things clearer, and may
+ <replaceable>word3</replaceable>. </para>
+
+ <para>With &RCL; versions 1.21 and later, you can use parentheses to
+ group elements, which will sometimes make things clearer, and may
allow expressing combinations which would have been difficult
otherwise.</para>