diff --git a/reference/pcre/pattern.posix.xml b/reference/pcre/pattern.posix.xml
index 284219b0c4..a7f587d8dd 100644
--- a/reference/pcre/pattern.posix.xml
+++ b/reference/pcre/pattern.posix.xml
@@ -50,7 +50,7 @@
      Simple bracket expressions to match a set of explicit characters are
      supported in the form of PCRE
      <link linkend="regexp.reference.character-classes">character classes</link>
-     but POSIX character classes, collating sequences and character equivalents
+     but POSIX collating elements, character classes and character equivalents
      are not supported.
     </simpara>
     <simpara>