diff --git a/doc/src/sgml/ltree.sgml b/doc/src/sgml/ltree.sgml
index 847aaac1f6e..bba75090902 100644
--- a/doc/src/sgml/ltree.sgml
+++ b/doc/src/sgml/ltree.sgml
@@ -19,8 +19,8 @@
   <para>
    A <firstterm>label</firstterm> is a sequence of alphanumeric characters
    and underscores (for example, in C locale the characters
-   <literal>A-Za-z0-9_</literal> are allowed).  Labels must be less than 256 bytes
-   long.
+   <literal>A-Za-z0-9_</literal> are allowed).
+   Labels must be less than 256 characters long.
   </para>
 
   <para>