diff --git a/reference/strings/functions/wordwrap.xml b/reference/strings/functions/wordwrap.xml
index 7fec7060d7e3..4d6167dd06e1 100644
--- a/reference/strings/functions/wordwrap.xml
+++ b/reference/strings/functions/wordwrap.xml
@@ -18,6 +18,8 @@
   <para>
    Wraps a string to a given number of characters using a string break
    character.
+   Strings wrap after a space (U+20) character unless <parameter>cut_long_words</parameter>
+   is set to &true;.
   </para>
  </refsect1>