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-rw-r--r--doc/src/sgml/ltree.sgml9
1 files changed, 5 insertions, 4 deletions
diff --git a/doc/src/sgml/ltree.sgml b/doc/src/sgml/ltree.sgml
index 508f404ae81..edea1eadb88 100644
--- a/doc/src/sgml/ltree.sgml
+++ b/doc/src/sgml/ltree.sgml
@@ -23,10 +23,11 @@
<title>Definitions</title>
<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 characters long.
+ A <firstterm>label</firstterm> is a sequence of alphanumeric characters,
+ underscores, and hyphens. Valid alphanumeric character ranges are
+ dependent on the database locale. For example, in C locale, the characters
+ <literal>A-Za-z0-9_-</literal> are allowed.
+ Labels must be no more than 1000 characters long.
</para>
<para>