diff --git a/doc/manual/expressions/language-values.xml b/doc/manual/expressions/language-values.xml
index 519657f15..c3514e58f 100644
--- a/doc/manual/expressions/language-values.xml
+++ b/doc/manual/expressions/language-values.xml
@@ -189,6 +189,9 @@ to be enclosed in parentheses.  If they had been omitted, e.g.,
 the result would be a list of five elements, the fourth one being a
 function and the fifth being a set.</para>
 
+<para>Note that lists are only lazy in values, and they are strict in length.
+</para>
+
 </simplesect>
 
 
@@ -265,4 +268,4 @@ evaluates to <literal>false</literal>.</para>
 </simplesect>
 
 
-</section>
\ No newline at end of file
+</section>